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Finding the Fourth Proportional to 568.93, 853.36 and 203.62

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Solution

The fourth proportional to 568.93, 853.36 and 203.62 is: 305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.93 : 853.36 = 203.62 : x
  2. Step 2: Convert to fraction form
    568.93/853.36 = 203.62/x
  3. Step 3: Cross multiply
    568.93x = 853.36 × 203.62
  4. Step 4: Simplify right side
    568.93x = 173,758.52
  5. Step 5: Solve for x
    x = 173,758.52/568.93
  6. Step 6: Final answer
    x = 305.41

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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.