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Finding the Fourth Proportional to 264.95, 397.15 and 110.96

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Solution

The fourth proportional to 264.95, 397.15 and 110.96 is: 166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.95 : 397.15 = 110.96 : x
  2. Step 2: Convert to fraction form
    264.95/397.15 = 110.96/x
  3. Step 3: Cross multiply
    264.95x = 397.15 × 110.96
  4. Step 4: Simplify right side
    264.95x = 44,067.21
  5. Step 5: Solve for x
    x = 44,067.21/264.95
  6. Step 6: Final answer
    x = 166.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.