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Finding the Fourth Proportional to 950.67, 1,426.14 and 334.31

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Solution

The fourth proportional to 950.67, 1,426.14 and 334.31 is: 501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.67 : 1,426.14 = 334.31 : x
  2. Step 2: Convert to fraction form
    950.67/1,426.14 = 334.31/x
  3. Step 3: Cross multiply
    950.67x = 1,426.14 × 334.31
  4. Step 4: Simplify right side
    950.67x = 476,765.73
  5. Step 5: Solve for x
    x = 476,765.73/950.67
  6. Step 6: Final answer
    x = 501.50

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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.