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Finding the Fourth Proportional to 265.21, 365.43 and 182.23

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Solution

The fourth proportional to 265.21, 365.43 and 182.23 is: 251.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.21 : 365.43 = 182.23 : x
  2. Step 2: Convert to fraction form
    265.21/365.43 = 182.23/x
  3. Step 3: Cross multiply
    265.21x = 365.43 × 182.23
  4. Step 4: Simplify right side
    265.21x = 66,592.31
  5. Step 5: Solve for x
    x = 66,592.31/265.21
  6. Step 6: Final answer
    x = 251.09

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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.