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Finding the Fourth Proportional to 255.03, 352.20 and 167.95

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Solution

The fourth proportional to 255.03, 352.20 and 167.95 is: 231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.03 : 352.20 = 167.95 : x
  2. Step 2: Convert to fraction form
    255.03/352.20 = 167.95/x
  3. Step 3: Cross multiply
    255.03x = 352.20 × 167.95
  4. Step 4: Simplify right side
    255.03x = 59,151.99
  5. Step 5: Solve for x
    x = 59,151.99/255.03
  6. Step 6: Final answer
    x = 231.94

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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.