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Finding the Fourth Proportional to 367.64, 550.82 and 223.32

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Solution

The fourth proportional to 367.64, 550.82 and 223.32 is: 334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.64 : 550.82 = 223.32 : x
  2. Step 2: Convert to fraction form
    367.64/550.82 = 223.32/x
  3. Step 3: Cross multiply
    367.64x = 550.82 × 223.32
  4. Step 4: Simplify right side
    367.64x = 123,009.12
  5. Step 5: Solve for x
    x = 123,009.12/367.64
  6. Step 6: Final answer
    x = 334.59

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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.