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Finding the Fourth Proportional to 701.92, 969.38 and 536.12

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Solution

The fourth proportional to 701.92, 969.38 and 536.12 is: 740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.92 : 969.38 = 536.12 : x
  2. Step 2: Convert to fraction form
    701.92/969.38 = 536.12/x
  3. Step 3: Cross multiply
    701.92x = 969.38 × 536.12
  4. Step 4: Simplify right side
    701.92x = 519,704.01
  5. Step 5: Solve for x
    x = 519,704.01/701.92
  6. Step 6: Final answer
    x = 740.40

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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.