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Finding the Fourth Proportional to 224.19, 309.02 and 150.48

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Solution

The fourth proportional to 224.19, 309.02 and 150.48 is: 207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.19 : 309.02 = 150.48 : x
  2. Step 2: Convert to fraction form
    224.19/309.02 = 150.48/x
  3. Step 3: Cross multiply
    224.19x = 309.02 × 150.48
  4. Step 4: Simplify right side
    224.19x = 46,500.58
  5. Step 5: Solve for x
    x = 46,500.58/224.19
  6. Step 6: Final answer
    x = 207.42

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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.