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Finding the Fourth Proportional to 61.44, 92.22 and 50.04

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Solution

The fourth proportional to 61.44, 92.22 and 50.04 is: 75.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.44 : 92.22 = 50.04 : x
  2. Step 2: Convert to fraction form
    61.44/92.22 = 50.04/x
  3. Step 3: Cross multiply
    61.44x = 92.22 × 50.04
  4. Step 4: Simplify right side
    61.44x = 4,614.69
  5. Step 5: Solve for x
    x = 4,614.69/61.44
  6. Step 6: Final answer
    x = 75.11

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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.