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Finding the Fourth Proportional to 62.26, 93.31 and 39.44

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Solution

The fourth proportional to 62.26, 93.31 and 39.44 is: 59.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.26 : 93.31 = 39.44 : x
  2. Step 2: Convert to fraction form
    62.26/93.31 = 39.44/x
  3. Step 3: Cross multiply
    62.26x = 93.31 × 39.44
  4. Step 4: Simplify right side
    62.26x = 3,680.28
  5. Step 5: Solve for x
    x = 3,680.28/62.26
  6. Step 6: Final answer
    x = 59.11

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Why These Related Problems?

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