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Finding the Fourth Proportional to 667.30, 996.01 and 626.26

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Solution

The fourth proportional to 667.30, 996.01 and 626.26 is: 934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    667.30 : 996.01 = 626.26 : x
  2. Step 2: Convert to fraction form
    667.30/996.01 = 626.26/x
  3. Step 3: Cross multiply
    667.30x = 996.01 × 626.26
  4. Step 4: Simplify right side
    667.30x = 623,761.22
  5. Step 5: Solve for x
    x = 623,761.22/667.30
  6. Step 6: Final answer
    x = 934.75

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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.