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Finding the Fourth Proportional to 74.02, 110.88 and 62.02

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Solution

The fourth proportional to 74.02, 110.88 and 62.02 is: 92.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.02 : 110.88 = 62.02 : x
  2. Step 2: Convert to fraction form
    74.02/110.88 = 62.02/x
  3. Step 3: Cross multiply
    74.02x = 110.88 × 62.02
  4. Step 4: Simplify right side
    74.02x = 6,876.78
  5. Step 5: Solve for x
    x = 6,876.78/74.02
  6. Step 6: Final answer
    x = 92.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.