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Finding the Fourth Proportional to 265.32, 366.15 and 160.41

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Solution

The fourth proportional to 265.32, 366.15 and 160.41 is: 221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.32 : 366.15 = 160.41 : x
  2. Step 2: Convert to fraction form
    265.32/366.15 = 160.41/x
  3. Step 3: Cross multiply
    265.32x = 366.15 × 160.41
  4. Step 4: Simplify right side
    265.32x = 58,734.12
  5. Step 5: Solve for x
    x = 58,734.12/265.32
  6. Step 6: Final answer
    x = 221.37

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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.