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Finding the Fourth Proportional to 634.80, 952.60 and 604.84

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Solution

The fourth proportional to 634.80, 952.60 and 604.84 is: 907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.80 : 952.60 = 604.84 : x
  2. Step 2: Convert to fraction form
    634.80/952.60 = 604.84/x
  3. Step 3: Cross multiply
    634.80x = 952.60 × 604.84
  4. Step 4: Simplify right side
    634.80x = 576,170.58
  5. Step 5: Solve for x
    x = 576,170.58/634.80
  6. Step 6: Final answer
    x = 907.64

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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.