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Finding the Fourth Proportional to 255.18, 352.14 and 150.26

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Solution

The fourth proportional to 255.18, 352.14 and 150.26 is: 207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.18 : 352.14 = 150.26 : x
  2. Step 2: Convert to fraction form
    255.18/352.14 = 150.26/x
  3. Step 3: Cross multiply
    255.18x = 352.14 × 150.26
  4. Step 4: Simplify right side
    255.18x = 52,912.56
  5. Step 5: Solve for x
    x = 52,912.56/255.18
  6. Step 6: Final answer
    x = 207.35

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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.