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Finding the Fourth Proportional to 359.70, 539.23 and 167.22

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Solution

The fourth proportional to 359.70, 539.23 and 167.22 is: 250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.70 : 539.23 = 167.22 : x
  2. Step 2: Convert to fraction form
    359.70/539.23 = 167.22/x
  3. Step 3: Cross multiply
    359.70x = 539.23 × 167.22
  4. Step 4: Simplify right side
    359.70x = 90,170.04
  5. Step 5: Solve for x
    x = 90,170.04/359.70
  6. Step 6: Final answer
    x = 250.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.