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Finding the Fourth Proportional to 243.93, 366.08 and 196.41

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Solution

The fourth proportional to 243.93, 366.08 and 196.41 is: 294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.93 : 366.08 = 196.41 : x
  2. Step 2: Convert to fraction form
    243.93/366.08 = 196.41/x
  3. Step 3: Cross multiply
    243.93x = 366.08 × 196.41
  4. Step 4: Simplify right side
    243.93x = 71,900.79
  5. Step 5: Solve for x
    x = 71,900.79/243.93
  6. Step 6: Final answer
    x = 294.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.