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Finding the Fourth Proportional to 565.09, 847.69 and 199.88

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Solution

The fourth proportional to 565.09, 847.69 and 199.88 is: 299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.09 : 847.69 = 199.88 : x
  2. Step 2: Convert to fraction form
    565.09/847.69 = 199.88/x
  3. Step 3: Cross multiply
    565.09x = 847.69 × 199.88
  4. Step 4: Simplify right side
    565.09x = 169,434.72
  5. Step 5: Solve for x
    x = 169,434.72/565.09
  6. Step 6: Final answer
    x = 299.84

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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.