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Finding the Fourth Proportional to 246.26, 339.24 and 211.18

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Solution

The fourth proportional to 246.26, 339.24 and 211.18 is: 290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.26 : 339.24 = 211.18 : x
  2. Step 2: Convert to fraction form
    246.26/339.24 = 211.18/x
  3. Step 3: Cross multiply
    246.26x = 339.24 × 211.18
  4. Step 4: Simplify right side
    246.26x = 71,640.70
  5. Step 5: Solve for x
    x = 71,640.70/246.26
  6. Step 6: Final answer
    x = 290.91

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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.