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Finding the Fourth Proportional to 626.06, 938.13 and 352.23

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Solution

The fourth proportional to 626.06, 938.13 and 352.23 is: 527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.06 : 938.13 = 352.23 : x
  2. Step 2: Convert to fraction form
    626.06/938.13 = 352.23/x
  3. Step 3: Cross multiply
    626.06x = 938.13 × 352.23
  4. Step 4: Simplify right side
    626.06x = 330,437.53
  5. Step 5: Solve for x
    x = 330,437.53/626.06
  6. Step 6: Final answer
    x = 527.81

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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.