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Finding the Fourth Proportional to 173.91, 239.99 and 95.22

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Solution

The fourth proportional to 173.91, 239.99 and 95.22 is: 131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.91 : 239.99 = 95.22 : x
  2. Step 2: Convert to fraction form
    173.91/239.99 = 95.22/x
  3. Step 3: Cross multiply
    173.91x = 239.99 × 95.22
  4. Step 4: Simplify right side
    173.91x = 22,851.85
  5. Step 5: Solve for x
    x = 22,851.85/173.91
  6. Step 6: Final answer
    x = 131.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.