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Finding the Fourth Proportional to 41.26, 61.65 and 29.79

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Solution

The fourth proportional to 41.26, 61.65 and 29.79 is: 44.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.26 : 61.65 = 29.79 : x
  2. Step 2: Convert to fraction form
    41.26/61.65 = 29.79/x
  3. Step 3: Cross multiply
    41.26x = 61.65 × 29.79
  4. Step 4: Simplify right side
    41.26x = 1,836.55
  5. Step 5: Solve for x
    x = 1,836.55/41.26
  6. Step 6: Final answer
    x = 44.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.