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Finding the Fourth Proportional to 849.33, 1,274.11 and 301.59

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Solution

The fourth proportional to 849.33, 1,274.11 and 301.59 is: 452.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.33 : 1,274.11 = 301.59 : x
  2. Step 2: Convert to fraction form
    849.33/1,274.11 = 301.59/x
  3. Step 3: Cross multiply
    849.33x = 1,274.11 × 301.59
  4. Step 4: Simplify right side
    849.33x = 384,258.08
  5. Step 5: Solve for x
    x = 384,258.08/849.33
  6. Step 6: Final answer
    x = 452.42

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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.