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Finding the Fourth Proportional to 246.92, 340.34 and 176.87

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Solution

The fourth proportional to 246.92, 340.34 and 176.87 is: 243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.92 : 340.34 = 176.87 : x
  2. Step 2: Convert to fraction form
    246.92/340.34 = 176.87/x
  3. Step 3: Cross multiply
    246.92x = 340.34 × 176.87
  4. Step 4: Simplify right side
    246.92x = 60,194.01
  5. Step 5: Solve for x
    x = 60,194.01/246.92
  6. Step 6: Final answer
    x = 243.78

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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.