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Finding the Fourth Proportional to 265.28, 366.16 and 177.92

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Solution

The fourth proportional to 265.28, 366.16 and 177.92 is: 245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.28 : 366.16 = 177.92 : x
  2. Step 2: Convert to fraction form
    265.28/366.16 = 177.92/x
  3. Step 3: Cross multiply
    265.28x = 366.16 × 177.92
  4. Step 4: Simplify right side
    265.28x = 65,147.19
  5. Step 5: Solve for x
    x = 65,147.19/265.28
  6. Step 6: Final answer
    x = 245.58

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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.