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Finding the Fourth Proportional to 240.27, 357.67 and 229.09

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Solution

The fourth proportional to 240.27, 357.67 and 229.09 is: 341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.27 : 357.67 = 229.09 : x
  2. Step 2: Convert to fraction form
    240.27/357.67 = 229.09/x
  3. Step 3: Cross multiply
    240.27x = 357.67 × 229.09
  4. Step 4: Simplify right side
    240.27x = 81,936.83
  5. Step 5: Solve for x
    x = 81,936.83/240.27
  6. Step 6: Final answer
    x = 341.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.