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Finding the Fourth Proportional to 565.22, 847.60 and 199.93

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Solution

The fourth proportional to 565.22, 847.60 and 199.93 is: 299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.22 : 847.60 = 199.93 : x
  2. Step 2: Convert to fraction form
    565.22/847.60 = 199.93/x
  3. Step 3: Cross multiply
    565.22x = 847.60 × 199.93
  4. Step 4: Simplify right side
    565.22x = 169,458.05
  5. Step 5: Solve for x
    x = 169,458.05/565.22
  6. Step 6: Final answer
    x = 299.81

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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.