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Finding the Fourth Proportional to 41.65, 62.40 and 22.39

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Solution

The fourth proportional to 41.65, 62.40 and 22.39 is: 33.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.65 : 62.40 = 22.39 : x
  2. Step 2: Convert to fraction form
    41.65/62.40 = 22.39/x
  3. Step 3: Cross multiply
    41.65x = 62.40 × 22.39
  4. Step 4: Simplify right side
    41.65x = 1,397.14
  5. Step 5: Solve for x
    x = 1,397.14/41.65
  6. Step 6: Final answer
    x = 33.54

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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.