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Finding the Fourth Proportional to 950.89, 1,426.74 and 403.19

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Solution

The fourth proportional to 950.89, 1,426.74 and 403.19 is: 604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.89 : 1,426.74 = 403.19 : x
  2. Step 2: Convert to fraction form
    950.89/1,426.74 = 403.19/x
  3. Step 3: Cross multiply
    950.89x = 1,426.74 × 403.19
  4. Step 4: Simplify right side
    950.89x = 575,247.30
  5. Step 5: Solve for x
    x = 575,247.30/950.89
  6. Step 6: Final answer
    x = 604.96

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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.