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Finding the Fourth Proportional to 260.82, 359.90 and 150.28

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Solution

The fourth proportional to 260.82, 359.90 and 150.28 is: 207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.82 : 359.90 = 150.28 : x
  2. Step 2: Convert to fraction form
    260.82/359.90 = 150.28/x
  3. Step 3: Cross multiply
    260.82x = 359.90 × 150.28
  4. Step 4: Simplify right side
    260.82x = 54,085.77
  5. Step 5: Solve for x
    x = 54,085.77/260.82
  6. Step 6: Final answer
    x = 207.37

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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.