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Finding the Fourth Proportional to 362.26, 499.94 and 229.42

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Solution

The fourth proportional to 362.26, 499.94 and 229.42 is: 316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.26 : 499.94 = 229.42 : x
  2. Step 2: Convert to fraction form
    362.26/499.94 = 229.42/x
  3. Step 3: Cross multiply
    362.26x = 499.94 × 229.42
  4. Step 4: Simplify right side
    362.26x = 114,696.23
  5. Step 5: Solve for x
    x = 114,696.23/362.26
  6. Step 6: Final answer
    x = 316.61

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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.