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Finding the Fourth Proportional to 60.57, 83.58 and 36.02

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Solution

The fourth proportional to 60.57, 83.58 and 36.02 is: 49.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.57 : 83.58 = 36.02 : x
  2. Step 2: Convert to fraction form
    60.57/83.58 = 36.02/x
  3. Step 3: Cross multiply
    60.57x = 83.58 × 36.02
  4. Step 4: Simplify right side
    60.57x = 3,010.13
  5. Step 5: Solve for x
    x = 3,010.13/60.57
  6. Step 6: Final answer
    x = 49.70

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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.