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Finding the Fourth Proportional to 233.25, 352.01 and 231.84

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Solution

The fourth proportional to 233.25, 352.01 and 231.84 is: 349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.25 : 352.01 = 231.84 : x
  2. Step 2: Convert to fraction form
    233.25/352.01 = 231.84/x
  3. Step 3: Cross multiply
    233.25x = 352.01 × 231.84
  4. Step 4: Simplify right side
    233.25x = 81,608.84
  5. Step 5: Solve for x
    x = 81,608.84/233.25
  6. Step 6: Final answer
    x = 349.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.