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Finding the Fourth Proportional to 233.24, 321.84 and 167.63

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Solution

The fourth proportional to 233.24, 321.84 and 167.63 is: 231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.24 : 321.84 = 167.63 : x
  2. Step 2: Convert to fraction form
    233.24/321.84 = 167.63/x
  3. Step 3: Cross multiply
    233.24x = 321.84 × 167.63
  4. Step 4: Simplify right side
    233.24x = 53,948.43
  5. Step 5: Solve for x
    x = 53,948.43/233.24
  6. Step 6: Final answer
    x = 231.31

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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.