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Finding the Fourth Proportional to 175.67, 242.44 and 97.00

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Solution

The fourth proportional to 175.67, 242.44 and 97.00 is: 133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.67 : 242.44 = 97.00 : x
  2. Step 2: Convert to fraction form
    175.67/242.44 = 97.00/x
  3. Step 3: Cross multiply
    175.67x = 242.44 × 97.00
  4. Step 4: Simplify right side
    175.67x = 23,517.04
  5. Step 5: Solve for x
    x = 23,517.04/175.67
  6. Step 6: Final answer
    x = 133.87

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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.