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Finding the Fourth Proportional to 175.97, 242.80 and 110.57

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Solution

The fourth proportional to 175.97, 242.80 and 110.57 is: 152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.97 : 242.80 = 110.57 : x
  2. Step 2: Convert to fraction form
    175.97/242.80 = 110.57/x
  3. Step 3: Cross multiply
    175.97x = 242.80 × 110.57
  4. Step 4: Simplify right side
    175.97x = 26,844.91
  5. Step 5: Solve for x
    x = 26,844.91/175.97
  6. Step 6: Final answer
    x = 152.55

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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.