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Finding the Fourth Proportional to 246.41, 339.98 and 159.13

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Solution

The fourth proportional to 246.41, 339.98 and 159.13 is: 219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.41 : 339.98 = 159.13 : x
  2. Step 2: Convert to fraction form
    246.41/339.98 = 159.13/x
  3. Step 3: Cross multiply
    246.41x = 339.98 × 159.13
  4. Step 4: Simplify right side
    246.41x = 54,101.02
  5. Step 5: Solve for x
    x = 54,101.02/246.41
  6. Step 6: Final answer
    x = 219.56

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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.