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Finding the Fourth Proportional to 199.02, 273.03 and 186.60

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Solution

The fourth proportional to 199.02, 273.03 and 186.60 is: 255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.02 : 273.03 = 186.60 : x
  2. Step 2: Convert to fraction form
    199.02/273.03 = 186.60/x
  3. Step 3: Cross multiply
    199.02x = 273.03 × 186.60
  4. Step 4: Simplify right side
    199.02x = 50,947.40
  5. Step 5: Solve for x
    x = 50,947.40/199.02
  6. Step 6: Final answer
    x = 255.99

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.