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Finding the Fourth Proportional to 300.96, 448.66 and 296.28

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Solution

The fourth proportional to 300.96, 448.66 and 296.28 is: 441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.96 : 448.66 = 296.28 : x
  2. Step 2: Convert to fraction form
    300.96/448.66 = 296.28/x
  3. Step 3: Cross multiply
    300.96x = 448.66 × 296.28
  4. Step 4: Simplify right side
    300.96x = 132,928.98
  5. Step 5: Solve for x
    x = 132,928.98/300.96
  6. Step 6: Final answer
    x = 441.68

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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.