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Finding the Fourth Proportional to 62.10, 93.22 and 49.28

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Solution

The fourth proportional to 62.10, 93.22 and 49.28 is: 73.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.10 : 93.22 = 49.28 : x
  2. Step 2: Convert to fraction form
    62.10/93.22 = 49.28/x
  3. Step 3: Cross multiply
    62.10x = 93.22 × 49.28
  4. Step 4: Simplify right side
    62.10x = 4,593.88
  5. Step 5: Solve for x
    x = 4,593.88/62.10
  6. Step 6: Final answer
    x = 73.98

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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.