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Finding the Fourth Proportional to 591.10, 884.49 and 559.42

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Solution

The fourth proportional to 591.10, 884.49 and 559.42 is: 837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.10 : 884.49 = 559.42 : x
  2. Step 2: Convert to fraction form
    591.10/884.49 = 559.42/x
  3. Step 3: Cross multiply
    591.10x = 884.49 × 559.42
  4. Step 4: Simplify right side
    591.10x = 494,800.84
  5. Step 5: Solve for x
    x = 494,800.84/591.10
  6. Step 6: Final answer
    x = 837.08

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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.