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Finding the Fourth Proportional to 382.05, 571.59 and 359.37

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Solution

The fourth proportional to 382.05, 571.59 and 359.37 is: 537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.05 : 571.59 = 359.37 : x
  2. Step 2: Convert to fraction form
    382.05/571.59 = 359.37/x
  3. Step 3: Cross multiply
    382.05x = 571.59 × 359.37
  4. Step 4: Simplify right side
    382.05x = 205,412.30
  5. Step 5: Solve for x
    x = 205,412.30/382.05
  6. Step 6: Final answer
    x = 537.66

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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.