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Finding the Fourth Proportional to 265.47, 366.32 and 160.53

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Solution

The fourth proportional to 265.47, 366.32 and 160.53 is: 221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.47 : 366.32 = 160.53 : x
  2. Step 2: Convert to fraction form
    265.47/366.32 = 160.53/x
  3. Step 3: Cross multiply
    265.47x = 366.32 × 160.53
  4. Step 4: Simplify right side
    265.47x = 58,804.55
  5. Step 5: Solve for x
    x = 58,804.55/265.47
  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.