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Finding the Fourth Proportional to 568.10, 851.22 and 351.23

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Solution

The fourth proportional to 568.10, 851.22 and 351.23 is: 526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.10 : 851.22 = 351.23 : x
  2. Step 2: Convert to fraction form
    568.10/851.22 = 351.23/x
  3. Step 3: Cross multiply
    568.10x = 851.22 × 351.23
  4. Step 4: Simplify right side
    568.10x = 298,974.00
  5. Step 5: Solve for x
    x = 298,974.00/568.10
  6. Step 6: Final answer
    x = 526.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.