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Finding the Fourth Proportional to 175.50, 242.17 and 160.01

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Solution

The fourth proportional to 175.50, 242.17 and 160.01 is: 220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.50 : 242.17 = 160.01 : x
  2. Step 2: Convert to fraction form
    175.50/242.17 = 160.01/x
  3. Step 3: Cross multiply
    175.50x = 242.17 × 160.01
  4. Step 4: Simplify right side
    175.50x = 38,748.92
  5. Step 5: Solve for x
    x = 38,748.92/175.50
  6. Step 6: Final answer
    x = 220.79

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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.