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Finding the Fourth Proportional to 41.33, 62.21 and 40.25

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Solution

The fourth proportional to 41.33, 62.21 and 40.25 is: 60.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.33 : 62.21 = 40.25 : x
  2. Step 2: Convert to fraction form
    41.33/62.21 = 40.25/x
  3. Step 3: Cross multiply
    41.33x = 62.21 × 40.25
  4. Step 4: Simplify right side
    41.33x = 2,503.44
  5. Step 5: Solve for x
    x = 2,503.44/41.33
  6. Step 6: Final answer
    x = 60.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.