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Finding the Fourth Proportional to 173.75, 241.43 and 171.85

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Solution

The fourth proportional to 173.75, 241.43 and 171.85 is: 238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.75 : 241.43 = 171.85 : x
  2. Step 2: Convert to fraction form
    173.75/241.43 = 171.85/x
  3. Step 3: Cross multiply
    173.75x = 241.43 × 171.85
  4. Step 4: Simplify right side
    173.75x = 41,489.02
  5. Step 5: Solve for x
    x = 41,489.02/173.75
  6. Step 6: Final answer
    x = 238.79

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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.