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Finding the Fourth Proportional to 265.02, 365.22 and 187.26

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Solution

The fourth proportional to 265.02, 365.22 and 187.26 is: 258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.02 : 365.22 = 187.26 : x
  2. Step 2: Convert to fraction form
    265.02/365.22 = 187.26/x
  3. Step 3: Cross multiply
    265.02x = 365.22 × 187.26
  4. Step 4: Simplify right side
    265.02x = 68,391.10
  5. Step 5: Solve for x
    x = 68,391.10/265.02
  6. Step 6: Final answer
    x = 258.06

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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.