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Finding the Fourth Proportional to 295.98, 408.43 and 164.98

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Solution

The fourth proportional to 295.98, 408.43 and 164.98 is: 227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.98 : 408.43 = 164.98 : x
  2. Step 2: Convert to fraction form
    295.98/408.43 = 164.98/x
  3. Step 3: Cross multiply
    295.98x = 408.43 × 164.98
  4. Step 4: Simplify right side
    295.98x = 67,382.78
  5. Step 5: Solve for x
    x = 67,382.78/295.98
  6. Step 6: Final answer
    x = 227.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.