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Finding the Fourth Proportional to 367.42, 551.26 and 194.14

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Solution

The fourth proportional to 367.42, 551.26 and 194.14 is: 291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.42 : 551.26 = 194.14 : x
  2. Step 2: Convert to fraction form
    367.42/551.26 = 194.14/x
  3. Step 3: Cross multiply
    367.42x = 551.26 × 194.14
  4. Step 4: Simplify right side
    367.42x = 107,021.62
  5. Step 5: Solve for x
    x = 107,021.62/367.42
  6. Step 6: Final answer
    x = 291.28

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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.