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Finding the Fourth Proportional to 229.41, 343.38 and 160.73

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Solution

The fourth proportional to 229.41, 343.38 and 160.73 is: 240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.41 : 343.38 = 160.73 : x
  2. Step 2: Convert to fraction form
    229.41/343.38 = 160.73/x
  3. Step 3: Cross multiply
    229.41x = 343.38 × 160.73
  4. Step 4: Simplify right side
    229.41x = 55,189.75
  5. Step 5: Solve for x
    x = 55,189.75/229.41
  6. Step 6: Final answer
    x = 240.57

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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.