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Finding the Fourth Proportional to 60.35, 82.56 and 60.08

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Solution

The fourth proportional to 60.35, 82.56 and 60.08 is: 82.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.35 : 82.56 = 60.08 : x
  2. Step 2: Convert to fraction form
    60.35/82.56 = 60.08/x
  3. Step 3: Cross multiply
    60.35x = 82.56 × 60.08
  4. Step 4: Simplify right side
    60.35x = 4,960.20
  5. Step 5: Solve for x
    x = 4,960.20/60.35
  6. Step 6: Final answer
    x = 82.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.