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Finding the Fourth Proportional to 246.13, 337.20 and 236.90

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Solution

The fourth proportional to 246.13, 337.20 and 236.90 is: 324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.13 : 337.20 = 236.90 : x
  2. Step 2: Convert to fraction form
    246.13/337.20 = 236.90/x
  3. Step 3: Cross multiply
    246.13x = 337.20 × 236.90
  4. Step 4: Simplify right side
    246.13x = 79,882.68
  5. Step 5: Solve for x
    x = 79,882.68/246.13
  6. Step 6: Final answer
    x = 324.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.