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Finding the Fourth Proportional to 244.35, 338.68 and 240.43

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Solution

The fourth proportional to 244.35, 338.68 and 240.43 is: 333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.35 : 338.68 = 240.43 : x
  2. Step 2: Convert to fraction form
    244.35/338.68 = 240.43/x
  3. Step 3: Cross multiply
    244.35x = 338.68 × 240.43
  4. Step 4: Simplify right side
    244.35x = 81,428.83
  5. Step 5: Solve for x
    x = 81,428.83/244.35
  6. Step 6: Final answer
    x = 333.25

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.