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Finding the Fourth Proportional to 636.62, 955.70 and 604.33

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Solution

The fourth proportional to 636.62, 955.70 and 604.33 is: 907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.62 : 955.70 = 604.33 : x
  2. Step 2: Convert to fraction form
    636.62/955.70 = 604.33/x
  3. Step 3: Cross multiply
    636.62x = 955.70 × 604.33
  4. Step 4: Simplify right side
    636.62x = 577,558.96
  5. Step 5: Solve for x
    x = 577,558.96/636.62
  6. Step 6: Final answer
    x = 907.22

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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.