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Finding the Fourth Proportional to 264.85, 365.73 and 231.59

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Solution

The fourth proportional to 264.85, 365.73 and 231.59 is: 319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.85 : 365.73 = 231.59 : x
  2. Step 2: Convert to fraction form
    264.85/365.73 = 231.59/x
  3. Step 3: Cross multiply
    264.85x = 365.73 × 231.59
  4. Step 4: Simplify right side
    264.85x = 84,699.41
  5. Step 5: Solve for x
    x = 84,699.41/264.85
  6. Step 6: Final answer
    x = 319.80

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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.