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Finding the Fourth Proportional to 950.85, 1,310.73 and 751.32

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Solution

The fourth proportional to 950.85, 1,310.73 and 751.32 is: 1,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.85 : 1,310.73 = 751.32 : x
  2. Step 2: Convert to fraction form
    950.85/1,310.73 = 751.32/x
  3. Step 3: Cross multiply
    950.85x = 1,310.73 × 751.32
  4. Step 4: Simplify right side
    950.85x = 984,777.66
  5. Step 5: Solve for x
    x = 984,777.66/950.85
  6. Step 6: Final answer
    x = 1,035.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.