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Finding the Fourth Proportional to 150.69, 226.29 and 96.69

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Solution

The fourth proportional to 150.69, 226.29 and 96.69 is: 145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.69 : 226.29 = 96.69 : x
  2. Step 2: Convert to fraction form
    150.69/226.29 = 96.69/x
  3. Step 3: Cross multiply
    150.69x = 226.29 × 96.69
  4. Step 4: Simplify right side
    150.69x = 21,879.98
  5. Step 5: Solve for x
    x = 21,879.98/150.69
  6. Step 6: Final answer
    x = 145.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.