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Finding the Fourth Proportional to 54.17, 81.14 and 44.52

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Solution

The fourth proportional to 54.17, 81.14 and 44.52 is: 66.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.17 : 81.14 = 44.52 : x
  2. Step 2: Convert to fraction form
    54.17/81.14 = 44.52/x
  3. Step 3: Cross multiply
    54.17x = 81.14 × 44.52
  4. Step 4: Simplify right side
    54.17x = 3,611.83
  5. Step 5: Solve for x
    x = 3,611.83/54.17
  6. Step 6: Final answer
    x = 66.68

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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.