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Finding the Fourth Proportional to 226.99, 339.11 and 190.08

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Solution

The fourth proportional to 226.99, 339.11 and 190.08 is: 283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.99 : 339.11 = 190.08 : x
  2. Step 2: Convert to fraction form
    226.99/339.11 = 190.08/x
  3. Step 3: Cross multiply
    226.99x = 339.11 × 190.08
  4. Step 4: Simplify right side
    226.99x = 64,458.03
  5. Step 5: Solve for x
    x = 64,458.03/226.99
  6. Step 6: Final answer
    x = 283.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.