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Finding the Fourth Proportional to 367.68, 551.46 and 238.08

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Solution

The fourth proportional to 367.68, 551.46 and 238.08 is: 357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.68 : 551.46 = 238.08 : x
  2. Step 2: Convert to fraction form
    367.68/551.46 = 238.08/x
  3. Step 3: Cross multiply
    367.68x = 551.46 × 238.08
  4. Step 4: Simplify right side
    367.68x = 131,291.60
  5. Step 5: Solve for x
    x = 131,291.60/367.68
  6. Step 6: Final answer
    x = 357.08

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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.