Home / 850.14-1,274.31-301.89

Finding the Fourth Proportional to 850.14, 1,274.31 and 301.89

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Solution

The fourth proportional to 850.14, 1,274.31 and 301.89 is: 452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.14 : 1,274.31 = 301.89 : x
  2. Step 2: Convert to fraction form
    850.14/1,274.31 = 301.89/x
  3. Step 3: Cross multiply
    850.14x = 1,274.31 × 301.89
  4. Step 4: Simplify right side
    850.14x = 384,701.45
  5. Step 5: Solve for x
    x = 384,701.45/850.14
  6. Step 6: Final answer
    x = 452.52

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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.