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Finding the Fourth Proportional to 296.37, 408.59 and 230.97

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Solution

The fourth proportional to 296.37, 408.59 and 230.97 is: 318.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.37 : 408.59 = 230.97 : x
  2. Step 2: Convert to fraction form
    296.37/408.59 = 230.97/x
  3. Step 3: Cross multiply
    296.37x = 408.59 × 230.97
  4. Step 4: Simplify right side
    296.37x = 94,370.88
  5. Step 5: Solve for x
    x = 94,370.88/296.37
  6. Step 6: Final answer
    x = 318.42

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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.