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Finding the Fourth Proportional to 333.75, 460.94 and 229.11

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Solution

The fourth proportional to 333.75, 460.94 and 229.11 is: 316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.75 : 460.94 = 229.11 : x
  2. Step 2: Convert to fraction form
    333.75/460.94 = 229.11/x
  3. Step 3: Cross multiply
    333.75x = 460.94 × 229.11
  4. Step 4: Simplify right side
    333.75x = 105,604.82
  5. Step 5: Solve for x
    x = 105,604.82/333.75
  6. Step 6: Final answer
    x = 316.42

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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.