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Finding the Fourth Proportional to 226.95, 313.04 and 144.03

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Solution

The fourth proportional to 226.95, 313.04 and 144.03 is: 198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.95 : 313.04 = 144.03 : x
  2. Step 2: Convert to fraction form
    226.95/313.04 = 144.03/x
  3. Step 3: Cross multiply
    226.95x = 313.04 × 144.03
  4. Step 4: Simplify right side
    226.95x = 45,086.43
  5. Step 5: Solve for x
    x = 45,086.43/226.95
  6. Step 6: Final answer
    x = 198.66

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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.