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Finding the Fourth Proportional to 60.92, 84.14 and 54.44

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Solution

The fourth proportional to 60.92, 84.14 and 54.44 is: 75.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.92 : 84.14 = 54.44 : x
  2. Step 2: Convert to fraction form
    60.92/84.14 = 54.44/x
  3. Step 3: Cross multiply
    60.92x = 84.14 × 54.44
  4. Step 4: Simplify right side
    60.92x = 4,580.58
  5. Step 5: Solve for x
    x = 4,580.58/60.92
  6. Step 6: Final answer
    x = 75.19

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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.