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Finding the Fourth Proportional to 232.25, 346.69 and 206.51

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Solution

The fourth proportional to 232.25, 346.69 and 206.51 is: 308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.25 : 346.69 = 206.51 : x
  2. Step 2: Convert to fraction form
    232.25/346.69 = 206.51/x
  3. Step 3: Cross multiply
    232.25x = 346.69 × 206.51
  4. Step 4: Simplify right side
    232.25x = 71,596.20
  5. Step 5: Solve for x
    x = 71,596.20/232.25
  6. Step 6: Final answer
    x = 308.27

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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.