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Finding the Fourth Proportional to 259.97, 358.62 and 186.33

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Solution

The fourth proportional to 259.97, 358.62 and 186.33 is: 257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.97 : 358.62 = 186.33 : x
  2. Step 2: Convert to fraction form
    259.97/358.62 = 186.33/x
  3. Step 3: Cross multiply
    259.97x = 358.62 × 186.33
  4. Step 4: Simplify right side
    259.97x = 66,821.66
  5. Step 5: Solve for x
    x = 66,821.66/259.97
  6. Step 6: Final answer
    x = 257.04

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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.