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Finding the Fourth Proportional to 62.08, 92.70 and 60.22

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Solution

The fourth proportional to 62.08, 92.70 and 60.22 is: 89.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.08 : 92.70 = 60.22 : x
  2. Step 2: Convert to fraction form
    62.08/92.70 = 60.22/x
  3. Step 3: Cross multiply
    62.08x = 92.70 × 60.22
  4. Step 4: Simplify right side
    62.08x = 5,582.39
  5. Step 5: Solve for x
    x = 5,582.39/62.08
  6. Step 6: Final answer
    x = 89.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.