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Finding the Fourth Proportional to 955.94, 1,319.91 and 734.54

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Solution

The fourth proportional to 955.94, 1,319.91 and 734.54 is: 1,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.94 : 1,319.91 = 734.54 : x
  2. Step 2: Convert to fraction form
    955.94/1,319.91 = 734.54/x
  3. Step 3: Cross multiply
    955.94x = 1,319.91 × 734.54
  4. Step 4: Simplify right side
    955.94x = 969,526.69
  5. Step 5: Solve for x
    x = 969,526.69/955.94
  6. Step 6: Final answer
    x = 1,014.21

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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.