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Finding the Fourth Proportional to 385.17, 531.62 and 237.96

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Solution

The fourth proportional to 385.17, 531.62 and 237.96 is: 328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    385.17 : 531.62 = 237.96 : x
  2. Step 2: Convert to fraction form
    385.17/531.62 = 237.96/x
  3. Step 3: Cross multiply
    385.17x = 531.62 × 237.96
  4. Step 4: Simplify right side
    385.17x = 126,504.30
  5. Step 5: Solve for x
    x = 126,504.30/385.17
  6. Step 6: Final answer
    x = 328.44

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