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Finding the Fourth Proportional to 265.16, 365.62 and 191.44

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Solution

The fourth proportional to 265.16, 365.62 and 191.44 is: 263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.16 : 365.62 = 191.44 : x
  2. Step 2: Convert to fraction form
    265.16/365.62 = 191.44/x
  3. Step 3: Cross multiply
    265.16x = 365.62 × 191.44
  4. Step 4: Simplify right side
    265.16x = 69,994.29
  5. Step 5: Solve for x
    x = 69,994.29/265.16
  6. Step 6: Final answer
    x = 263.97

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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.