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Finding the Fourth Proportional to 339.57, 467.61 and 246.15

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Solution

The fourth proportional to 339.57, 467.61 and 246.15 is: 338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.57 : 467.61 = 246.15 : x
  2. Step 2: Convert to fraction form
    339.57/467.61 = 246.15/x
  3. Step 3: Cross multiply
    339.57x = 467.61 × 246.15
  4. Step 4: Simplify right side
    339.57x = 115,102.20
  5. Step 5: Solve for x
    x = 115,102.20/339.57
  6. Step 6: Final answer
    x = 338.96

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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.