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Finding the Fourth Proportional to 367.26, 551.48 and 162.23

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Solution

The fourth proportional to 367.26, 551.48 and 162.23 is: 243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.26 : 551.48 = 162.23 : x
  2. Step 2: Convert to fraction form
    367.26/551.48 = 162.23/x
  3. Step 3: Cross multiply
    367.26x = 551.48 × 162.23
  4. Step 4: Simplify right side
    367.26x = 89,463.03
  5. Step 5: Solve for x
    x = 89,463.03/367.26
  6. Step 6: Final answer
    x = 243.60

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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.