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Finding the Fourth Proportional to 590.69, 886.04 and 205.94

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Solution

The fourth proportional to 590.69, 886.04 and 205.94 is: 308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.69 : 886.04 = 205.94 : x
  2. Step 2: Convert to fraction form
    590.69/886.04 = 205.94/x
  3. Step 3: Cross multiply
    590.69x = 886.04 × 205.94
  4. Step 4: Simplify right side
    590.69x = 182,471.08
  5. Step 5: Solve for x
    x = 182,471.08/590.69
  6. Step 6: Final answer
    x = 308.91

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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.