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Finding the Fourth Proportional to 331.87, 458.12 and 237.44

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Solution

The fourth proportional to 331.87, 458.12 and 237.44 is: 327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.87 : 458.12 = 237.44 : x
  2. Step 2: Convert to fraction form
    331.87/458.12 = 237.44/x
  3. Step 3: Cross multiply
    331.87x = 458.12 × 237.44
  4. Step 4: Simplify right side
    331.87x = 108,773.84
  5. Step 5: Solve for x
    x = 108,773.84/331.87
  6. Step 6: Final answer
    x = 327.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.