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Finding the Fourth Proportional to 43.52, 65.24 and 41.24

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Solution

The fourth proportional to 43.52, 65.24 and 41.24 is: 61.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.52 : 65.24 = 41.24 : x
  2. Step 2: Convert to fraction form
    43.52/65.24 = 41.24/x
  3. Step 3: Cross multiply
    43.52x = 65.24 × 41.24
  4. Step 4: Simplify right side
    43.52x = 2,690.17
  5. Step 5: Solve for x
    x = 2,690.17/43.52
  6. Step 6: Final answer
    x = 61.82

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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.