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Finding the Fourth Proportional to 240.97, 334.77 and 238.09

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Solution

The fourth proportional to 240.97, 334.77 and 238.09 is: 330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.97 : 334.77 = 238.09 : x
  2. Step 2: Convert to fraction form
    240.97/334.77 = 238.09/x
  3. Step 3: Cross multiply
    240.97x = 334.77 × 238.09
  4. Step 4: Simplify right side
    240.97x = 79,705.39
  5. Step 5: Solve for x
    x = 79,705.39/240.97
  6. Step 6: Final answer
    x = 330.77

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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.