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Finding the Fourth Proportional to 240.40, 333.67 and 234.46

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Solution

The fourth proportional to 240.40, 333.67 and 234.46 is: 325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.40 : 333.67 = 234.46 : x
  2. Step 2: Convert to fraction form
    240.40/333.67 = 234.46/x
  3. Step 3: Cross multiply
    240.40x = 333.67 × 234.46
  4. Step 4: Simplify right side
    240.40x = 78,232.27
  5. Step 5: Solve for x
    x = 78,232.27/240.40
  6. Step 6: Final answer
    x = 325.43

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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.