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Finding the Fourth Proportional to 367.44, 551.51 and 194.31

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Solution

The fourth proportional to 367.44, 551.51 and 194.31 is: 291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.44 : 551.51 = 194.31 : x
  2. Step 2: Convert to fraction form
    367.44/551.51 = 194.31/x
  3. Step 3: Cross multiply
    367.44x = 551.51 × 194.31
  4. Step 4: Simplify right side
    367.44x = 107,162.94
  5. Step 5: Solve for x
    x = 107,162.94/367.44
  6. Step 6: Final answer
    x = 291.65

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