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Finding the Fourth Proportional to 293.37, 404.64 and 231.27

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Solution

The fourth proportional to 293.37, 404.64 and 231.27 is: 318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.37 : 404.64 = 231.27 : x
  2. Step 2: Convert to fraction form
    293.37/404.64 = 231.27/x
  3. Step 3: Cross multiply
    293.37x = 404.64 × 231.27
  4. Step 4: Simplify right side
    293.37x = 93,581.09
  5. Step 5: Solve for x
    x = 93,581.09/293.37
  6. Step 6: Final answer
    x = 318.99

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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.