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Finding the Fourth Proportional to 229.23, 316.18 and 167.27

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Solution

The fourth proportional to 229.23, 316.18 and 167.27 is: 230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.23 : 316.18 = 167.27 : x
  2. Step 2: Convert to fraction form
    229.23/316.18 = 167.27/x
  3. Step 3: Cross multiply
    229.23x = 316.18 × 167.27
  4. Step 4: Simplify right side
    229.23x = 52,887.43
  5. Step 5: Solve for x
    x = 52,887.43/229.23
  6. Step 6: Final answer
    x = 230.72

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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.