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Finding the Fourth Proportional to 173.92, 241.12 and 171.20

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Solution

The fourth proportional to 173.92, 241.12 and 171.20 is: 237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.92 : 241.12 = 171.20 : x
  2. Step 2: Convert to fraction form
    173.92/241.12 = 171.20/x
  3. Step 3: Cross multiply
    173.92x = 241.12 × 171.20
  4. Step 4: Simplify right side
    173.92x = 41,279.74
  5. Step 5: Solve for x
    x = 41,279.74/173.92
  6. Step 6: Final answer
    x = 237.35

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.