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Finding the Fourth Proportional to 233.04, 321.33 and 196.14

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Solution

The fourth proportional to 233.04, 321.33 and 196.14 is: 270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.04 : 321.33 = 196.14 : x
  2. Step 2: Convert to fraction form
    233.04/321.33 = 196.14/x
  3. Step 3: Cross multiply
    233.04x = 321.33 × 196.14
  4. Step 4: Simplify right side
    233.04x = 63,025.67
  5. Step 5: Solve for x
    x = 63,025.67/233.04
  6. Step 6: Final answer
    x = 270.45

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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.