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Finding the Fourth Proportional to 568.98, 850.02 and 361.89

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Solution

The fourth proportional to 568.98, 850.02 and 361.89 is: 540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.98 : 850.02 = 361.89 : x
  2. Step 2: Convert to fraction form
    568.98/850.02 = 361.89/x
  3. Step 3: Cross multiply
    568.98x = 850.02 × 361.89
  4. Step 4: Simplify right side
    568.98x = 307,613.74
  5. Step 5: Solve for x
    x = 307,613.74/568.98
  6. Step 6: Final answer
    x = 540.64

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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.