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Finding the Fourth Proportional to 41.24, 62.25 and 39.65

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Solution

The fourth proportional to 41.24, 62.25 and 39.65 is: 59.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.24 : 62.25 = 39.65 : x
  2. Step 2: Convert to fraction form
    41.24/62.25 = 39.65/x
  3. Step 3: Cross multiply
    41.24x = 62.25 × 39.65
  4. Step 4: Simplify right side
    41.24x = 2,468.15
  5. Step 5: Solve for x
    x = 2,468.15/41.24
  6. Step 6: Final answer
    x = 59.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.