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Finding the Fourth Proportional to 537.38, 806.16 and 354.92

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Solution

The fourth proportional to 537.38, 806.16 and 354.92 is: 532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.38 : 806.16 = 354.92 : x
  2. Step 2: Convert to fraction form
    537.38/806.16 = 354.92/x
  3. Step 3: Cross multiply
    537.38x = 806.16 × 354.92
  4. Step 4: Simplify right side
    537.38x = 286,122.31
  5. Step 5: Solve for x
    x = 286,122.31/537.38
  6. Step 6: Final answer
    x = 532.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.