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Finding the Fourth Proportional to 175.89, 263.91 and 94.72

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Solution

The fourth proportional to 175.89, 263.91 and 94.72 is: 142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.89 : 263.91 = 94.72 : x
  2. Step 2: Convert to fraction form
    175.89/263.91 = 94.72/x
  3. Step 3: Cross multiply
    175.89x = 263.91 × 94.72
  4. Step 4: Simplify right side
    175.89x = 24,997.21
  5. Step 5: Solve for x
    x = 24,997.21/175.89
  6. Step 6: Final answer
    x = 142.12

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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.