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Finding the Fourth Proportional to 691.07, 952.43 and 504.26

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Solution

The fourth proportional to 691.07, 952.43 and 504.26 is: 694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    691.07 : 952.43 = 504.26 : x
  2. Step 2: Convert to fraction form
    691.07/952.43 = 504.26/x
  3. Step 3: Cross multiply
    691.07x = 952.43 × 504.26
  4. Step 4: Simplify right side
    691.07x = 480,265.07
  5. Step 5: Solve for x
    x = 480,265.07/691.07
  6. Step 6: Final answer
    x = 694.96

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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.