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Finding the Fourth Proportional to 60.91, 84.11 and 44.58

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Solution

The fourth proportional to 60.91, 84.11 and 44.58 is: 61.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.91 : 84.11 = 44.58 : x
  2. Step 2: Convert to fraction form
    60.91/84.11 = 44.58/x
  3. Step 3: Cross multiply
    60.91x = 84.11 × 44.58
  4. Step 4: Simplify right side
    60.91x = 3,749.62
  5. Step 5: Solve for x
    x = 3,749.62/60.91
  6. Step 6: Final answer
    x = 61.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.