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Finding the Fourth Proportional to 360.41, 497.36 and 229.46

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Solution

The fourth proportional to 360.41, 497.36 and 229.46 is: 316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.41 : 497.36 = 229.46 : x
  2. Step 2: Convert to fraction form
    360.41/497.36 = 229.46/x
  3. Step 3: Cross multiply
    360.41x = 497.36 × 229.46
  4. Step 4: Simplify right side
    360.41x = 114,123.08
  5. Step 5: Solve for x
    x = 114,123.08/360.41
  6. Step 6: Final answer
    x = 316.65

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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.