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Finding the Fourth Proportional to 366.24, 550.44 and 245.22

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Solution

The fourth proportional to 366.24, 550.44 and 245.22 is: 368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.24 : 550.44 = 245.22 : x
  2. Step 2: Convert to fraction form
    366.24/550.44 = 245.22/x
  3. Step 3: Cross multiply
    366.24x = 550.44 × 245.22
  4. Step 4: Simplify right side
    366.24x = 134,978.90
  5. Step 5: Solve for x
    x = 134,978.90/366.24
  6. Step 6: Final answer
    x = 368.55

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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.