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Finding the Fourth Proportional to 264.89, 366.38 and 251.22

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Solution

The fourth proportional to 264.89, 366.38 and 251.22 is: 347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.89 : 366.38 = 251.22 : x
  2. Step 2: Convert to fraction form
    264.89/366.38 = 251.22/x
  3. Step 3: Cross multiply
    264.89x = 366.38 × 251.22
  4. Step 4: Simplify right side
    264.89x = 92,040.73
  5. Step 5: Solve for x
    x = 92,040.73/264.89
  6. Step 6: Final answer
    x = 347.47

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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.