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Finding the Fourth Proportional to 224.25, 335.80 and 133.01

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Solution

The fourth proportional to 224.25, 335.80 and 133.01 is: 199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.25 : 335.80 = 133.01 : x
  2. Step 2: Convert to fraction form
    224.25/335.80 = 133.01/x
  3. Step 3: Cross multiply
    224.25x = 335.80 × 133.01
  4. Step 4: Simplify right side
    224.25x = 44,664.09
  5. Step 5: Solve for x
    x = 44,664.09/224.25
  6. Step 6: Final answer
    x = 199.17

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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.