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Finding the Fourth Proportional to 338.91, 467.85 and 244.47

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Solution

The fourth proportional to 338.91, 467.85 and 244.47 is: 337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.91 : 467.85 = 244.47 : x
  2. Step 2: Convert to fraction form
    338.91/467.85 = 244.47/x
  3. Step 3: Cross multiply
    338.91x = 467.85 × 244.47
  4. Step 4: Simplify right side
    338.91x = 114,375.29
  5. Step 5: Solve for x
    x = 114,375.29/338.91
  6. Step 6: Final answer
    x = 337.48

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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.