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Finding the Fourth Proportional to 353.14, 527.26 and 331.27

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Solution

The fourth proportional to 353.14, 527.26 and 331.27 is: 494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.14 : 527.26 = 331.27 : x
  2. Step 2: Convert to fraction form
    353.14/527.26 = 331.27/x
  3. Step 3: Cross multiply
    353.14x = 527.26 × 331.27
  4. Step 4: Simplify right side
    353.14x = 174,665.42
  5. Step 5: Solve for x
    x = 174,665.42/353.14
  6. Step 6: Final answer
    x = 494.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.