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Finding the Fourth Proportional to 233.97, 351.36 and 197.88

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Solution

The fourth proportional to 233.97, 351.36 and 197.88 is: 297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.97 : 351.36 = 197.88 : x
  2. Step 2: Convert to fraction form
    233.97/351.36 = 197.88/x
  3. Step 3: Cross multiply
    233.97x = 351.36 × 197.88
  4. Step 4: Simplify right side
    233.97x = 69,527.12
  5. Step 5: Solve for x
    x = 69,527.12/233.97
  6. Step 6: Final answer
    x = 297.16

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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.