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Finding the Fourth Proportional to 635.69, 959.29 and 613.96

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Solution

The fourth proportional to 635.69, 959.29 and 613.96 is: 926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.69 : 959.29 = 613.96 : x
  2. Step 2: Convert to fraction form
    635.69/959.29 = 613.96/x
  3. Step 3: Cross multiply
    635.69x = 959.29 × 613.96
  4. Step 4: Simplify right side
    635.69x = 588,957.82
  5. Step 5: Solve for x
    x = 588,957.82/635.69
  6. Step 6: Final answer
    x = 926.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.