Answer:
The scale factor is

Explanation:
we know that
If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube
so
Let
z----> the scale factor
x----> volume of solid B
y ----> volume of solid A

we have


substitute

![z=\sqrt[3]{(500)/(171.5)}=1.429](https://img.qammunity.org/2020/formulas/mathematics/middle-school/7qyqxse64lnj4cn13uc85thg5lq5ehbu5o.png)