The ornamental design for a rampedfootstool, as shown and described.
FIG. 1 is a front elevational view of a foldable ramped footstool, in accordance with the present design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top elevational view thereof;
FIG. 4 is a bottom elevational view thereof;
FIG. 5 is a front perspective view thereof with a movable toe platform in a lower most position;
FIG. 6 is a front perspective view thereof with a movable toe platform in a upper most position;
FIG. 7 is a left side elevational view thereof; and,
FIG. 8 is a right side elevational view thereof.
The broken lines showing the exemplary massager unit attached to the movable toes platform, the arched openings on the sides of the ramped footstool, and the non-slip texture on the movable toes platform depict environmental subject matter only and form no part of the claimed design.