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Finding the Fourth Proportional to 334.96, 462.17 and 222.77

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Solution

The fourth proportional to 334.96, 462.17 and 222.77 is: 307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.96 : 462.17 = 222.77 : x
  2. Step 2: Convert to fraction form
    334.96/462.17 = 222.77/x
  3. Step 3: Cross multiply
    334.96x = 462.17 × 222.77
  4. Step 4: Simplify right side
    334.96x = 102,959.32
  5. Step 5: Solve for x
    x = 102,959.32/334.96
  6. Step 6: Final answer
    x = 307.38

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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.