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Finding the Fourth Proportional to 265.16, 397.13 and 200.27

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Solution

The fourth proportional to 265.16, 397.13 and 200.27 is: 299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.16 : 397.13 = 200.27 : x
  2. Step 2: Convert to fraction form
    265.16/397.13 = 200.27/x
  3. Step 3: Cross multiply
    265.16x = 397.13 × 200.27
  4. Step 4: Simplify right side
    265.16x = 79,530.24
  5. Step 5: Solve for x
    x = 79,530.24/265.16
  6. Step 6: Final answer
    x = 299.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.