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Finding the Fourth Proportional to 568.74, 853.27 and 325.44

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Solution

The fourth proportional to 568.74, 853.27 and 325.44 is: 488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.74 : 853.27 = 325.44 : x
  2. Step 2: Convert to fraction form
    568.74/853.27 = 325.44/x
  3. Step 3: Cross multiply
    568.74x = 853.27 × 325.44
  4. Step 4: Simplify right side
    568.74x = 277,688.19
  5. Step 5: Solve for x
    x = 277,688.19/568.74
  6. Step 6: Final answer
    x = 488.25

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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.