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Finding the Fourth Proportional to 151.99, 228.08 and 150.85

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Solution

The fourth proportional to 151.99, 228.08 and 150.85 is: 226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.99 : 228.08 = 150.85 : x
  2. Step 2: Convert to fraction form
    151.99/228.08 = 150.85/x
  3. Step 3: Cross multiply
    151.99x = 228.08 × 150.85
  4. Step 4: Simplify right side
    151.99x = 34,405.87
  5. Step 5: Solve for x
    x = 34,405.87/151.99
  6. Step 6: Final answer
    x = 226.37

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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.