A pole casts a 4-foot shadow, and at the same time of day a 6-foot-tall man casts a 1-foot shadow. How tall is the pole?

Question

A pole casts a 4-foot shadow, and at the same time of day a 6-foot-tall man casts a 1-foot shadow. How tall is the pole? 

Answer 1

The right triangles formed by the tree and the shadow and the man and his shadow are similar.

Therefore: h/4 = 6/1, i.e. h = 24