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Finding the Fourth Proportional to 244.97, 338.12 and 151.65

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Solution

The fourth proportional to 244.97, 338.12 and 151.65 is: 209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.97 : 338.12 = 151.65 : x
  2. Step 2: Convert to fraction form
    244.97/338.12 = 151.65/x
  3. Step 3: Cross multiply
    244.97x = 338.12 × 151.65
  4. Step 4: Simplify right side
    244.97x = 51,276.41
  5. Step 5: Solve for x
    x = 51,276.41/244.97
  6. Step 6: Final answer
    x = 209.32

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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.