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Finding the Fourth Proportional to 568.59, 853.16 and 308.58

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Solution

The fourth proportional to 568.59, 853.16 and 308.58 is: 463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.59 : 853.16 = 308.58 : x
  2. Step 2: Convert to fraction form
    568.59/853.16 = 308.58/x
  3. Step 3: Cross multiply
    568.59x = 853.16 × 308.58
  4. Step 4: Simplify right side
    568.59x = 263,266.57
  5. Step 5: Solve for x
    x = 263,266.57/568.59
  6. Step 6: Final answer
    x = 463.02

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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.