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Finding the Fourth Proportional to 229.64, 316.98 and 183.08

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Solution

The fourth proportional to 229.64, 316.98 and 183.08 is: 252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.64 : 316.98 = 183.08 : x
  2. Step 2: Convert to fraction form
    229.64/316.98 = 183.08/x
  3. Step 3: Cross multiply
    229.64x = 316.98 × 183.08
  4. Step 4: Simplify right side
    229.64x = 58,032.70
  5. Step 5: Solve for x
    x = 58,032.70/229.64
  6. Step 6: Final answer
    x = 252.71

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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.