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Finding the Fourth Proportional to 301.88, 453.03 and 279.35

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Solution

The fourth proportional to 301.88, 453.03 and 279.35 is: 419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.88 : 453.03 = 279.35 : x
  2. Step 2: Convert to fraction form
    301.88/453.03 = 279.35/x
  3. Step 3: Cross multiply
    301.88x = 453.03 × 279.35
  4. Step 4: Simplify right side
    301.88x = 126,553.93
  5. Step 5: Solve for x
    x = 126,553.93/301.88
  6. Step 6: Final answer
    x = 419.22

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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.