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Finding the Fourth Proportional to 367.36, 551 and 222.76

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Solution

The fourth proportional to 367.36, 551 and 222.76 is: 334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.36 : 551 = 222.76 : x
  2. Step 2: Convert to fraction form
    367.36/551 = 222.76/x
  3. Step 3: Cross multiply
    367.36x = 551 × 222.76
  4. Step 4: Simplify right side
    367.36x = 122,740.76
  5. Step 5: Solve for x
    x = 122,740.76/367.36
  6. Step 6: Final answer
    x = 334.12

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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.