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Finding the Fourth Proportional to 265.95, 366.26 and 192.15

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Solution

The fourth proportional to 265.95, 366.26 and 192.15 is: 264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.95 : 366.26 = 192.15 : x
  2. Step 2: Convert to fraction form
    265.95/366.26 = 192.15/x
  3. Step 3: Cross multiply
    265.95x = 366.26 × 192.15
  4. Step 4: Simplify right side
    265.95x = 70,375.90
  5. Step 5: Solve for x
    x = 70,375.90/265.95
  6. Step 6: Final answer
    x = 264.62

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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.