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Finding the Fourth Proportional to 224.22, 309.24 and 174.32

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Solution

The fourth proportional to 224.22, 309.24 and 174.32 is: 240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.22 : 309.24 = 174.32 : x
  2. Step 2: Convert to fraction form
    224.22/309.24 = 174.32/x
  3. Step 3: Cross multiply
    224.22x = 309.24 × 174.32
  4. Step 4: Simplify right side
    224.22x = 53,907.49
  5. Step 5: Solve for x
    x = 53,907.49/224.22
  6. Step 6: Final answer
    x = 240.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.