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Finding the Fourth Proportional to 360.04, 496.50 and 229

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Solution

The fourth proportional to 360.04, 496.50 and 229 is: 315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.04 : 496.50 = 229 : x
  2. Step 2: Convert to fraction form
    360.04/496.50 = 229/x
  3. Step 3: Cross multiply
    360.04x = 496.50 × 229
  4. Step 4: Simplify right side
    360.04x = 113,698.50
  5. Step 5: Solve for x
    x = 113,698.50/360.04
  6. Step 6: Final answer
    x = 315.79

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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.