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Finding the Fourth Proportional to 568.48, 847.63 and 559.82

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Solution

The fourth proportional to 568.48, 847.63 and 559.82 is: 834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.48 : 847.63 = 559.82 : x
  2. Step 2: Convert to fraction form
    568.48/847.63 = 559.82/x
  3. Step 3: Cross multiply
    568.48x = 847.63 × 559.82
  4. Step 4: Simplify right side
    568.48x = 474,520.95
  5. Step 5: Solve for x
    x = 474,520.95/568.48
  6. Step 6: Final answer
    x = 834.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.