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Finding the Fourth Proportional to 246.82, 340.54 and 159.54

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Solution

The fourth proportional to 246.82, 340.54 and 159.54 is: 220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.82 : 340.54 = 159.54 : x
  2. Step 2: Convert to fraction form
    246.82/340.54 = 159.54/x
  3. Step 3: Cross multiply
    246.82x = 340.54 × 159.54
  4. Step 4: Simplify right side
    246.82x = 54,329.75
  5. Step 5: Solve for x
    x = 54,329.75/246.82
  6. Step 6: Final answer
    x = 220.12

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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.