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Finding the Fourth Proportional to 246.83, 339.04 and 239.54

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Solution

The fourth proportional to 246.83, 339.04 and 239.54 is: 329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.83 : 339.04 = 239.54 : x
  2. Step 2: Convert to fraction form
    246.83/339.04 = 239.54/x
  3. Step 3: Cross multiply
    246.83x = 339.04 × 239.54
  4. Step 4: Simplify right side
    246.83x = 81,212.25
  5. Step 5: Solve for x
    x = 81,212.25/246.83
  6. Step 6: Final answer
    x = 329.03

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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.