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Finding the Fourth Proportional to 254.25, 350.80 and 180.44

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Solution

The fourth proportional to 254.25, 350.80 and 180.44 is: 248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.25 : 350.80 = 180.44 : x
  2. Step 2: Convert to fraction form
    254.25/350.80 = 180.44/x
  3. Step 3: Cross multiply
    254.25x = 350.80 × 180.44
  4. Step 4: Simplify right side
    254.25x = 63,297.46
  5. Step 5: Solve for x
    x = 63,297.46/254.25
  6. Step 6: Final answer
    x = 248.96

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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.