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Finding the Fourth Proportional to 626.33, 938.66 and 352.01

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Solution

The fourth proportional to 626.33, 938.66 and 352.01 is: 527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.33 : 938.66 = 352.01 : x
  2. Step 2: Convert to fraction form
    626.33/938.66 = 352.01/x
  3. Step 3: Cross multiply
    626.33x = 938.66 × 352.01
  4. Step 4: Simplify right side
    626.33x = 330,418.29
  5. Step 5: Solve for x
    x = 330,418.29/626.33
  6. Step 6: Final answer
    x = 527.54

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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.