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Finding the Fourth Proportional to 60.47, 84.03 and 59.84

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Solution

The fourth proportional to 60.47, 84.03 and 59.84 is: 83.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.47 : 84.03 = 59.84 : x
  2. Step 2: Convert to fraction form
    60.47/84.03 = 59.84/x
  3. Step 3: Cross multiply
    60.47x = 84.03 × 59.84
  4. Step 4: Simplify right side
    60.47x = 5,027.94
  5. Step 5: Solve for x
    x = 5,027.94/60.47
  6. Step 6: Final answer
    x = 83.15

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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.