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Finding the Fourth Proportional to 387.24, 580.68 and 224.97

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Solution

The fourth proportional to 387.24, 580.68 and 224.97 is: 337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    387.24 : 580.68 = 224.97 : x
  2. Step 2: Convert to fraction form
    387.24/580.68 = 224.97/x
  3. Step 3: Cross multiply
    387.24x = 580.68 × 224.97
  4. Step 4: Simplify right side
    387.24x = 130,635.58
  5. Step 5: Solve for x
    x = 130,635.58/387.24
  6. Step 6: Final answer
    x = 337.35

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