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Finding the Fourth Proportional to 566.87, 851.61 and 402.75

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Solution

The fourth proportional to 566.87, 851.61 and 402.75 is: 605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.87 : 851.61 = 402.75 : x
  2. Step 2: Convert to fraction form
    566.87/851.61 = 402.75/x
  3. Step 3: Cross multiply
    566.87x = 851.61 × 402.75
  4. Step 4: Simplify right side
    566.87x = 342,985.93
  5. Step 5: Solve for x
    x = 342,985.93/566.87
  6. Step 6: Final answer
    x = 605.06

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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.