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Finding the Fourth Proportional to 60.04, 83.28 and 53.97

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Solution

The fourth proportional to 60.04, 83.28 and 53.97 is: 74.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.04 : 83.28 = 53.97 : x
  2. Step 2: Convert to fraction form
    60.04/83.28 = 53.97/x
  3. Step 3: Cross multiply
    60.04x = 83.28 × 53.97
  4. Step 4: Simplify right side
    60.04x = 4,494.21
  5. Step 5: Solve for x
    x = 4,494.21/60.04
  6. Step 6: Final answer
    x = 74.85

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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.