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Finding the Fourth Proportional to 244.67, 338.60 and 229.33

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Solution

The fourth proportional to 244.67, 338.60 and 229.33 is: 317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.67 : 338.60 = 229.33 : x
  2. Step 2: Convert to fraction form
    244.67/338.60 = 229.33/x
  3. Step 3: Cross multiply
    244.67x = 338.60 × 229.33
  4. Step 4: Simplify right side
    244.67x = 77,648.30
  5. Step 5: Solve for x
    x = 77,648.30/244.67
  6. Step 6: Final answer
    x = 317.36

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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.