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Finding the Fourth Proportional to 667.54, 996.20 and 594.64

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Solution

The fourth proportional to 667.54, 996.20 and 594.64 is: 887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    667.54 : 996.20 = 594.64 : x
  2. Step 2: Convert to fraction form
    667.54/996.20 = 594.64/x
  3. Step 3: Cross multiply
    667.54x = 996.20 × 594.64
  4. Step 4: Simplify right side
    667.54x = 592,375.39
  5. Step 5: Solve for x
    x = 592,375.39/667.54
  6. Step 6: Final answer
    x = 887.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.