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Finding the Fourth Proportional to 265.68, 366.57 and 160.77

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Solution

The fourth proportional to 265.68, 366.57 and 160.77 is: 221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.68 : 366.57 = 160.77 : x
  2. Step 2: Convert to fraction form
    265.68/366.57 = 160.77/x
  3. Step 3: Cross multiply
    265.68x = 366.57 × 160.77
  4. Step 4: Simplify right side
    265.68x = 58,933.46
  5. Step 5: Solve for x
    x = 58,933.46/265.68
  6. Step 6: Final answer
    x = 221.82

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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.