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Finding the Fourth Proportional to 565.92, 850.10 and 479.43

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Solution

The fourth proportional to 565.92, 850.10 and 479.43 is: 720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.92 : 850.10 = 479.43 : x
  2. Step 2: Convert to fraction form
    565.92/850.10 = 479.43/x
  3. Step 3: Cross multiply
    565.92x = 850.10 × 479.43
  4. Step 4: Simplify right side
    565.92x = 407,563.44
  5. Step 5: Solve for x
    x = 407,563.44/565.92
  6. Step 6: Final answer
    x = 720.18

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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.