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Finding the Fourth Proportional to 303.28, 451.24 and 300.94

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Solution

The fourth proportional to 303.28, 451.24 and 300.94 is: 447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.28 : 451.24 = 300.94 : x
  2. Step 2: Convert to fraction form
    303.28/451.24 = 300.94/x
  3. Step 3: Cross multiply
    303.28x = 451.24 × 300.94
  4. Step 4: Simplify right side
    303.28x = 135,796.17
  5. Step 5: Solve for x
    x = 135,796.17/303.28
  6. Step 6: Final answer
    x = 447.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.