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Finding the Fourth Proportional to 167.05, 230.28 and 108.03

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Solution

The fourth proportional to 167.05, 230.28 and 108.03 is: 148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.05 : 230.28 = 108.03 : x
  2. Step 2: Convert to fraction form
    167.05/230.28 = 108.03/x
  3. Step 3: Cross multiply
    167.05x = 230.28 × 108.03
  4. Step 4: Simplify right side
    167.05x = 24,878.21
  5. Step 5: Solve for x
    x = 24,878.21/167.05
  6. Step 6: Final answer
    x = 148.93

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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.