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Finding the Fourth Proportional to 246.20, 367.24 and 207.92

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Solution

The fourth proportional to 246.20, 367.24 and 207.92 is: 310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.20 : 367.24 = 207.92 : x
  2. Step 2: Convert to fraction form
    246.20/367.24 = 207.92/x
  3. Step 3: Cross multiply
    246.20x = 367.24 × 207.92
  4. Step 4: Simplify right side
    246.20x = 76,356.54
  5. Step 5: Solve for x
    x = 76,356.54/246.20
  6. Step 6: Final answer
    x = 310.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.