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Finding the Fourth Proportional to 41.55, 62.31 and 14.49

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Solution

The fourth proportional to 41.55, 62.31 and 14.49 is: 21.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.55 : 62.31 = 14.49 : x
  2. Step 2: Convert to fraction form
    41.55/62.31 = 14.49/x
  3. Step 3: Cross multiply
    41.55x = 62.31 × 14.49
  4. Step 4: Simplify right side
    41.55x = 902.87
  5. Step 5: Solve for x
    x = 902.87/41.55
  6. Step 6: Final answer
    x = 21.73

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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.