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Finding the Fourth Proportional to 1,301.00, 1,951.47 and 376.56

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Solution

The fourth proportional to 1,301.00, 1,951.47 and 376.56 is: 564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.00 : 1,951.47 = 376.56 : x
  2. Step 2: Convert to fraction form
    1,301.00/1,951.47 = 376.56/x
  3. Step 3: Cross multiply
    1,301.00x = 1,951.47 × 376.56
  4. Step 4: Simplify right side
    1,301.00x = 734,845.54
  5. Step 5: Solve for x
    x = 734,845.54/1,301.00
  6. Step 6: Final answer
    x = 564.83

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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.