Finding the Fourth Proportional to 152.16, 228.33 and 100.83

Step by Step Solution

1. Step 1: Write the proportion equation
   152.16 : 228.33 = 100.83 : x
2. Step 2: Convert to fraction form
   152.16/228.33 = 100.83/x
3. Step 3: Cross multiply
   152.16x = 228.33 × 100.83
4. Step 4: Simplify right side
   152.16x = 23,022.01
5. Step 5: Solve for x
   x = 23,022.01/152.16
6. Step 6: Final answer
   x = 151.30