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Finding the Fourth Proportional to 244.35, 338.40 and 226.57

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Solution

The fourth proportional to 244.35, 338.40 and 226.57 is: 313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.35 : 338.40 = 226.57 : x
  2. Step 2: Convert to fraction form
    244.35/338.40 = 226.57/x
  3. Step 3: Cross multiply
    244.35x = 338.40 × 226.57
  4. Step 4: Simplify right side
    244.35x = 76,671.29
  5. Step 5: Solve for x
    x = 76,671.29/244.35
  6. Step 6: Final answer
    x = 313.78

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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.