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Finding the Fourth Proportional to 41.22, 61.02 and 41.04

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Solution

The fourth proportional to 41.22, 61.02 and 41.04 is: 60.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.22 : 61.02 = 41.04 : x
  2. Step 2: Convert to fraction form
    41.22/61.02 = 41.04/x
  3. Step 3: Cross multiply
    41.22x = 61.02 × 41.04
  4. Step 4: Simplify right side
    41.22x = 2,504.26
  5. Step 5: Solve for x
    x = 2,504.26/41.22
  6. Step 6: Final answer
    x = 60.75

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.