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Finding the Fourth Proportional to 226.13, 338.43 and 175.00

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Solution

The fourth proportional to 226.13, 338.43 and 175.00 is: 261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.13 : 338.43 = 175.00 : x
  2. Step 2: Convert to fraction form
    226.13/338.43 = 175.00/x
  3. Step 3: Cross multiply
    226.13x = 338.43 × 175.00
  4. Step 4: Simplify right side
    226.13x = 59,224.94
  5. Step 5: Solve for x
    x = 59,224.94/226.13
  6. Step 6: Final answer
    x = 261.91

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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.