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Finding the Fourth Proportional to 41.65, 62.49 and 15.98

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Solution

The fourth proportional to 41.65, 62.49 and 15.98 is: 23.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.65 : 62.49 = 15.98 : x
  2. Step 2: Convert to fraction form
    41.65/62.49 = 15.98/x
  3. Step 3: Cross multiply
    41.65x = 62.49 × 15.98
  4. Step 4: Simplify right side
    41.65x = 998.28
  5. Step 5: Solve for x
    x = 998.28/41.65
  6. Step 6: Final answer
    x = 23.97

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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.