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Finding the Fourth Proportional to 568.91, 846.05 and 550.68

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Solution

The fourth proportional to 568.91, 846.05 and 550.68 is: 818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.91 : 846.05 = 550.68 : x
  2. Step 2: Convert to fraction form
    568.91/846.05 = 550.68/x
  3. Step 3: Cross multiply
    568.91x = 846.05 × 550.68
  4. Step 4: Simplify right side
    568.91x = 465,900.06
  5. Step 5: Solve for x
    x = 465,900.06/568.91
  6. Step 6: Final answer
    x = 818.94

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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.