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Finding the Fourth Proportional to 300.36, 446.88 and 294.88

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Solution

The fourth proportional to 300.36, 446.88 and 294.88 is: 438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.36 : 446.88 = 294.88 : x
  2. Step 2: Convert to fraction form
    300.36/446.88 = 294.88/x
  3. Step 3: Cross multiply
    300.36x = 446.88 × 294.88
  4. Step 4: Simplify right side
    300.36x = 131,775.97
  5. Step 5: Solve for x
    x = 131,775.97/300.36
  6. Step 6: Final answer
    x = 438.73

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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.