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Finding the Fourth Proportional to 150.05, 226.02 and 140.94

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Solution

The fourth proportional to 150.05, 226.02 and 140.94 is: 212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.05 : 226.02 = 140.94 : x
  2. Step 2: Convert to fraction form
    150.05/226.02 = 140.94/x
  3. Step 3: Cross multiply
    150.05x = 226.02 × 140.94
  4. Step 4: Simplify right side
    150.05x = 31,855.26
  5. Step 5: Solve for x
    x = 31,855.26/150.05
  6. Step 6: Final answer
    x = 212.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.