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Finding the Fourth Proportional to 354.80, 490.02 and 337.52

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Solution

The fourth proportional to 354.80, 490.02 and 337.52 is: 466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.80 : 490.02 = 337.52 : x
  2. Step 2: Convert to fraction form
    354.80/490.02 = 337.52/x
  3. Step 3: Cross multiply
    354.80x = 490.02 × 337.52
  4. Step 4: Simplify right side
    354.80x = 165,391.55
  5. Step 5: Solve for x
    x = 165,391.55/354.80
  6. Step 6: Final answer
    x = 466.15

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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.