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Finding the Fourth Proportional to 568.41, 784.49 and 475.01

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Solution

The fourth proportional to 568.41, 784.49 and 475.01 is: 655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.41 : 784.49 = 475.01 : x
  2. Step 2: Convert to fraction form
    568.41/784.49 = 475.01/x
  3. Step 3: Cross multiply
    568.41x = 784.49 × 475.01
  4. Step 4: Simplify right side
    568.41x = 372,634.30
  5. Step 5: Solve for x
    x = 372,634.30/568.41
  6. Step 6: Final answer
    x = 655.57

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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.