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Finding the Fourth Proportional to 563.32, 843.09 and 347.05

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Solution

The fourth proportional to 563.32, 843.09 and 347.05 is: 519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.32 : 843.09 = 347.05 : x
  2. Step 2: Convert to fraction form
    563.32/843.09 = 347.05/x
  3. Step 3: Cross multiply
    563.32x = 843.09 × 347.05
  4. Step 4: Simplify right side
    563.32x = 292,594.38
  5. Step 5: Solve for x
    x = 292,594.38/563.32
  6. Step 6: Final answer
    x = 519.41

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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.