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Finding the Fourth Proportional to 566.70, 849.39 and 323.39

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Solution

The fourth proportional to 566.70, 849.39 and 323.39 is: 484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.70 : 849.39 = 323.39 : x
  2. Step 2: Convert to fraction form
    566.70/849.39 = 323.39/x
  3. Step 3: Cross multiply
    566.70x = 849.39 × 323.39
  4. Step 4: Simplify right side
    566.70x = 274,685.14
  5. Step 5: Solve for x
    x = 274,685.14/566.70
  6. Step 6: Final answer
    x = 484.71

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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.