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Finding the Fourth Proportional to 265.44, 398.22 and 150

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Solution

The fourth proportional to 265.44, 398.22 and 150 is: 225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.44 : 398.22 = 150 : x
  2. Step 2: Convert to fraction form
    265.44/398.22 = 150/x
  3. Step 3: Cross multiply
    265.44x = 398.22 × 150
  4. Step 4: Simplify right side
    265.44x = 59,733.00
  5. Step 5: Solve for x
    x = 59,733.00/265.44
  6. Step 6: Final answer
    x = 225.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.