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Finding the Fourth Proportional to 569.27, 853.90 and 204.30

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Solution

The fourth proportional to 569.27, 853.90 and 204.30 is: 306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.27 : 853.90 = 204.30 : x
  2. Step 2: Convert to fraction form
    569.27/853.90 = 204.30/x
  3. Step 3: Cross multiply
    569.27x = 853.90 × 204.30
  4. Step 4: Simplify right side
    569.27x = 174,451.26
  5. Step 5: Solve for x
    x = 174,451.26/569.27
  6. Step 6: Final answer
    x = 306.45

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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.