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Finding the Fourth Proportional to 451.93, 676.68 and 335.71

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Solution

The fourth proportional to 451.93, 676.68 and 335.71 is: 502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.93 : 676.68 = 335.71 : x
  2. Step 2: Convert to fraction form
    451.93/676.68 = 335.71/x
  3. Step 3: Cross multiply
    451.93x = 676.68 × 335.71
  4. Step 4: Simplify right side
    451.93x = 227,168.24
  5. Step 5: Solve for x
    x = 227,168.24/451.93
  6. Step 6: Final answer
    x = 502.66

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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.