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Finding the Fourth Proportional to 626.00, 938.34 and 300.68

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Solution

The fourth proportional to 626.00, 938.34 and 300.68 is: 450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.00 : 938.34 = 300.68 : x
  2. Step 2: Convert to fraction form
    626.00/938.34 = 300.68/x
  3. Step 3: Cross multiply
    626.00x = 938.34 × 300.68
  4. Step 4: Simplify right side
    626.00x = 282,136.60
  5. Step 5: Solve for x
    x = 282,136.60/626.00
  6. Step 6: Final answer
    x = 450.70

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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.