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Finding the Fourth Proportional to 568.82, 784.26 and 371.99

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Solution

The fourth proportional to 568.82, 784.26 and 371.99 is: 512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.82 : 784.26 = 371.99 : x
  2. Step 2: Convert to fraction form
    568.82/784.26 = 371.99/x
  3. Step 3: Cross multiply
    568.82x = 784.26 × 371.99
  4. Step 4: Simplify right side
    568.82x = 291,732.96
  5. Step 5: Solve for x
    x = 291,732.96/568.82
  6. Step 6: Final answer
    x = 512.88

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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.