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Finding the Fourth Proportional to 352.11, 527.35 and 270.30

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Solution

The fourth proportional to 352.11, 527.35 and 270.30 is: 404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.11 : 527.35 = 270.30 : x
  2. Step 2: Convert to fraction form
    352.11/527.35 = 270.30/x
  3. Step 3: Cross multiply
    352.11x = 527.35 × 270.30
  4. Step 4: Simplify right side
    352.11x = 142,542.71
  5. Step 5: Solve for x
    x = 142,542.71/352.11
  6. Step 6: Final answer
    x = 404.82

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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.