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Finding the Fourth Proportional to 300.69, 451.44 and 250.07

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Solution

The fourth proportional to 300.69, 451.44 and 250.07 is: 375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.69 : 451.44 = 250.07 : x
  2. Step 2: Convert to fraction form
    300.69/451.44 = 250.07/x
  3. Step 3: Cross multiply
    300.69x = 451.44 × 250.07
  4. Step 4: Simplify right side
    300.69x = 112,889.34
  5. Step 5: Solve for x
    x = 112,889.34/300.69
  6. Step 6: Final answer
    x = 375.43

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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.