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Finding the Fourth Proportional to 264.06, 363.29 and 231.26

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Solution

The fourth proportional to 264.06, 363.29 and 231.26 is: 318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.06 : 363.29 = 231.26 : x
  2. Step 2: Convert to fraction form
    264.06/363.29 = 231.26/x
  3. Step 3: Cross multiply
    264.06x = 363.29 × 231.26
  4. Step 4: Simplify right side
    264.06x = 84,011.47
  5. Step 5: Solve for x
    x = 84,011.47/264.06
  6. Step 6: Final answer
    x = 318.15

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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.