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Finding the Fourth Proportional to 180.05, 248.31 and 110.03

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Solution

The fourth proportional to 180.05, 248.31 and 110.03 is: 151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.05 : 248.31 = 110.03 : x
  2. Step 2: Convert to fraction form
    180.05/248.31 = 110.03/x
  3. Step 3: Cross multiply
    180.05x = 248.31 × 110.03
  4. Step 4: Simplify right side
    180.05x = 27,320.31
  5. Step 5: Solve for x
    x = 27,320.31/180.05
  6. Step 6: Final answer
    x = 151.74

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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.