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Finding the Fourth Proportional to 301.71, 452.75 and 199.29

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Solution

The fourth proportional to 301.71, 452.75 and 199.29 is: 299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.71 : 452.75 = 199.29 : x
  2. Step 2: Convert to fraction form
    301.71/452.75 = 199.29/x
  3. Step 3: Cross multiply
    301.71x = 452.75 × 199.29
  4. Step 4: Simplify right side
    301.71x = 90,227.55
  5. Step 5: Solve for x
    x = 90,227.55/301.71
  6. Step 6: Final answer
    x = 299.05

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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.