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Finding the Fourth Proportional to 240.98, 332.20 and 194.34

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Solution

The fourth proportional to 240.98, 332.20 and 194.34 is: 267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.98 : 332.20 = 194.34 : x
  2. Step 2: Convert to fraction form
    240.98/332.20 = 194.34/x
  3. Step 3: Cross multiply
    240.98x = 332.20 × 194.34
  4. Step 4: Simplify right side
    240.98x = 64,559.75
  5. Step 5: Solve for x
    x = 64,559.75/240.98
  6. Step 6: Final answer
    x = 267.91

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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.