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Finding the Fourth Proportional to 41.66, 62.47 and 15.96

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Solution

The fourth proportional to 41.66, 62.47 and 15.96 is: 23.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.66 : 62.47 = 15.96 : x
  2. Step 2: Convert to fraction form
    41.66/62.47 = 15.96/x
  3. Step 3: Cross multiply
    41.66x = 62.47 × 15.96
  4. Step 4: Simplify right side
    41.66x = 997.02
  5. Step 5: Solve for x
    x = 997.02/41.66
  6. Step 6: Final answer
    x = 23.93

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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.