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Finding the Fourth Proportional to 367.38, 549.99 and 222.66

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Solution

The fourth proportional to 367.38, 549.99 and 222.66 is: 333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.38 : 549.99 = 222.66 : x
  2. Step 2: Convert to fraction form
    367.38/549.99 = 222.66/x
  3. Step 3: Cross multiply
    367.38x = 549.99 × 222.66
  4. Step 4: Simplify right side
    367.38x = 122,460.77
  5. Step 5: Solve for x
    x = 122,460.77/367.38
  6. Step 6: Final answer
    x = 333.34

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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.