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Finding the Fourth Proportional to 462.24, 637.92 and 255.24

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Solution

The fourth proportional to 462.24, 637.92 and 255.24 is: 352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.24 : 637.92 = 255.24 : x
  2. Step 2: Convert to fraction form
    462.24/637.92 = 255.24/x
  3. Step 3: Cross multiply
    462.24x = 637.92 × 255.24
  4. Step 4: Simplify right side
    462.24x = 162,822.70
  5. Step 5: Solve for x
    x = 162,822.70/462.24
  6. Step 6: Final answer
    x = 352.25

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