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Finding the Fourth Proportional to 334.10, 461.08 and 223.38

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Solution

The fourth proportional to 334.10, 461.08 and 223.38 is: 308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.10 : 461.08 = 223.38 : x
  2. Step 2: Convert to fraction form
    334.10/461.08 = 223.38/x
  3. Step 3: Cross multiply
    334.10x = 461.08 × 223.38
  4. Step 4: Simplify right side
    334.10x = 102,996.05
  5. Step 5: Solve for x
    x = 102,996.05/334.10
  6. Step 6: Final answer
    x = 308.28

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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.