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Finding the Fourth Proportional to 968.14, 1,451.85 and 480.93

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Solution

The fourth proportional to 968.14, 1,451.85 and 480.93 is: 721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.14 : 1,451.85 = 480.93 : x
  2. Step 2: Convert to fraction form
    968.14/1,451.85 = 480.93/x
  3. Step 3: Cross multiply
    968.14x = 1,451.85 × 480.93
  4. Step 4: Simplify right side
    968.14x = 698,238.22
  5. Step 5: Solve for x
    x = 698,238.22/968.14
  6. Step 6: Final answer
    x = 721.22

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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.