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Finding the Fourth Proportional to 969.33, 1,343.32 and 950.87

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Solution

The fourth proportional to 969.33, 1,343.32 and 950.87 is: 1,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.33 : 1,343.32 = 950.87 : x
  2. Step 2: Convert to fraction form
    969.33/1,343.32 = 950.87/x
  3. Step 3: Cross multiply
    969.33x = 1,343.32 × 950.87
  4. Step 4: Simplify right side
    969.33x = 1,277,322.69
  5. Step 5: Solve for x
    x = 1,277,322.69/969.33
  6. Step 6: Final answer
    x = 1,317.74

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.