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Finding the Fourth Proportional to 367, 506.46 and 229

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Solution

The fourth proportional to 367, 506.46 and 229 is: 316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    367 : 506.46 = 229 : x
  2. Step 2: Convert to fraction form
    367/506.46 = 229/x
  3. Step 3: Cross multiply
    367x = 506.46 × 229
  4. Step 4: Simplify right side
    367x = 115,979.34
  5. Step 5: Solve for x
    x = 115,979.34/367
  6. Step 6: Final answer
    x = 316.02

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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.