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Finding the Fourth Proportional to 60.08, 83.32 and 57.92

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Solution

The fourth proportional to 60.08, 83.32 and 57.92 is: 80.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.08 : 83.32 = 57.92 : x
  2. Step 2: Convert to fraction form
    60.08/83.32 = 57.92/x
  3. Step 3: Cross multiply
    60.08x = 83.32 × 57.92
  4. Step 4: Simplify right side
    60.08x = 4,825.89
  5. Step 5: Solve for x
    x = 4,825.89/60.08
  6. Step 6: Final answer
    x = 80.32

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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.