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Finding the Fourth Proportional to 300.92, 451.69 and 300.46

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Solution

The fourth proportional to 300.92, 451.69 and 300.46 is: 451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.92 : 451.69 = 300.46 : x
  2. Step 2: Convert to fraction form
    300.92/451.69 = 300.46/x
  3. Step 3: Cross multiply
    300.92x = 451.69 × 300.46
  4. Step 4: Simplify right side
    300.92x = 135,714.78
  5. Step 5: Solve for x
    x = 135,714.78/300.92
  6. Step 6: Final answer
    x = 451.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.