Finding the Fourth Proportional to 152.96, 209.72 and 151.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152.96 : 209.72 = 151.52 : x
2. Step 2: Convert to fraction form
   152.96/209.72 = 151.52/x
3. Step 3: Cross multiply
   152.96x = 209.72 × 151.52
4. Step 4: Simplify right side
   152.96x = 31,776.77
5. Step 5: Solve for x
   x = 31,776.77/152.96
6. Step 6: Final answer
   x = 207.75