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Finding the Fourth Proportional to 44.80, 62.24 and 44.38

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Solution

The fourth proportional to 44.80, 62.24 and 44.38 is: 61.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.80 : 62.24 = 44.38 : x
  2. Step 2: Convert to fraction form
    44.80/62.24 = 44.38/x
  3. Step 3: Cross multiply
    44.80x = 62.24 × 44.38
  4. Step 4: Simplify right side
    44.80x = 2,762.44
  5. Step 5: Solve for x
    x = 2,762.44/44.80
  6. Step 6: Final answer
    x = 61.66

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.