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Finding the Fourth Proportional to 265.64, 366.38 and 160.60

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Solution

The fourth proportional to 265.64, 366.38 and 160.60 is: 221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.64 : 366.38 = 160.60 : x
  2. Step 2: Convert to fraction form
    265.64/366.38 = 160.60/x
  3. Step 3: Cross multiply
    265.64x = 366.38 × 160.60
  4. Step 4: Simplify right side
    265.64x = 58,840.63
  5. Step 5: Solve for x
    x = 58,840.63/265.64
  6. Step 6: Final answer
    x = 221.51

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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.