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Finding the Fourth Proportional to 694.88, 952.84 and 671.59

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Solution

The fourth proportional to 694.88, 952.84 and 671.59 is: 920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.88 : 952.84 = 671.59 : x
  2. Step 2: Convert to fraction form
    694.88/952.84 = 671.59/x
  3. Step 3: Cross multiply
    694.88x = 952.84 × 671.59
  4. Step 4: Simplify right side
    694.88x = 639,913.05
  5. Step 5: Solve for x
    x = 639,913.05/694.88
  6. Step 6: Final answer
    x = 920.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.