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Finding the Fourth Proportional to 199.77, 276.01 and 150.56

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Solution

The fourth proportional to 199.77, 276.01 and 150.56 is: 208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.77 : 276.01 = 150.56 : x
  2. Step 2: Convert to fraction form
    199.77/276.01 = 150.56/x
  3. Step 3: Cross multiply
    199.77x = 276.01 × 150.56
  4. Step 4: Simplify right side
    199.77x = 41,554.69
  5. Step 5: Solve for x
    x = 41,554.69/199.77
  6. Step 6: Final answer
    x = 208.02

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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.