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Finding the Fourth Proportional to 671.02, 926.07 and 376.33

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Solution

The fourth proportional to 671.02, 926.07 and 376.33 is: 519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.02 : 926.07 = 376.33 : x
  2. Step 2: Convert to fraction form
    671.02/926.07 = 376.33/x
  3. Step 3: Cross multiply
    671.02x = 926.07 × 376.33
  4. Step 4: Simplify right side
    671.02x = 348,507.92
  5. Step 5: Solve for x
    x = 348,507.92/671.02
  6. Step 6: Final answer
    x = 519.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.