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Finding the Fourth Proportional to 241.96, 333.84 and 231.34

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Solution

The fourth proportional to 241.96, 333.84 and 231.34 is: 319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.96 : 333.84 = 231.34 : x
  2. Step 2: Convert to fraction form
    241.96/333.84 = 231.34/x
  3. Step 3: Cross multiply
    241.96x = 333.84 × 231.34
  4. Step 4: Simplify right side
    241.96x = 77,230.55
  5. Step 5: Solve for x
    x = 77,230.55/241.96
  6. Step 6: Final answer
    x = 319.19

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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.