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Finding the Fourth Proportional to 566.10, 853.34 and 519.30

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Solution

The fourth proportional to 566.10, 853.34 and 519.30 is: 782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.10 : 853.34 = 519.30 : x
  2. Step 2: Convert to fraction form
    566.10/853.34 = 519.30/x
  3. Step 3: Cross multiply
    566.10x = 853.34 × 519.30
  4. Step 4: Simplify right side
    566.10x = 443,136.87
  5. Step 5: Solve for x
    x = 443,136.87/566.10
  6. Step 6: Final answer
    x = 782.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.