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Finding the Fourth Proportional to 334.31, 461.18 and 223.94

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Solution

The fourth proportional to 334.31, 461.18 and 223.94 is: 308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.31 : 461.18 = 223.94 : x
  2. Step 2: Convert to fraction form
    334.31/461.18 = 223.94/x
  3. Step 3: Cross multiply
    334.31x = 461.18 × 223.94
  4. Step 4: Simplify right side
    334.31x = 103,275.53
  5. Step 5: Solve for x
    x = 103,275.53/334.31
  6. Step 6: Final answer
    x = 308.92

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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.