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Finding the Fourth Proportional to 463.62, 696.34 and 450.84

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Solution

The fourth proportional to 463.62, 696.34 and 450.84 is: 677.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.62 : 696.34 = 450.84 : x
  2. Step 2: Convert to fraction form
    463.62/696.34 = 450.84/x
  3. Step 3: Cross multiply
    463.62x = 696.34 × 450.84
  4. Step 4: Simplify right side
    463.62x = 313,937.93
  5. Step 5: Solve for x
    x = 313,937.93/463.62
  6. Step 6: Final answer
    x = 677.14

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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.