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Finding the Fourth Proportional to 226.06, 337.23 and 208.84

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Solution

The fourth proportional to 226.06, 337.23 and 208.84 is: 311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.06 : 337.23 = 208.84 : x
  2. Step 2: Convert to fraction form
    226.06/337.23 = 208.84/x
  3. Step 3: Cross multiply
    226.06x = 337.23 × 208.84
  4. Step 4: Simplify right side
    226.06x = 70,427.11
  5. Step 5: Solve for x
    x = 70,427.11/226.06
  6. Step 6: Final answer
    x = 311.54

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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.