Can one manually resize an object proportionately?

[Stgoldberg at aol.com]

Although one can go into the Revolution property inspector and do some 
calculation to resize an object proportionately, e.g. to say 1/3 the size, when 
trying to do this manually I do not see a way to control the resizing 
proportionately.   In Photoshop, for instance, holding down the Shift key while doing the 
resizing insures that that picture resizes proportionately.   Is there a way 
of doing something similar in Revolution?   That would save time.   Thanks.
Steve Goldberg