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Finding the Fourth Proportional to 264.90, 396.85 and 230.27

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Solution

The fourth proportional to 264.90, 396.85 and 230.27 is: 344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.90 : 396.85 = 230.27 : x
  2. Step 2: Convert to fraction form
    264.90/396.85 = 230.27/x
  3. Step 3: Cross multiply
    264.90x = 396.85 × 230.27
  4. Step 4: Simplify right side
    264.90x = 91,382.65
  5. Step 5: Solve for x
    x = 91,382.65/264.90
  6. Step 6: Final answer
    x = 344.97

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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.