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Finding the Fourth Proportional to 382.08, 571.44 and 359.04

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Solution

The fourth proportional to 382.08, 571.44 and 359.04 is: 536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.08 : 571.44 = 359.04 : x
  2. Step 2: Convert to fraction form
    382.08/571.44 = 359.04/x
  3. Step 3: Cross multiply
    382.08x = 571.44 × 359.04
  4. Step 4: Simplify right side
    382.08x = 205,169.82
  5. Step 5: Solve for x
    x = 205,169.82/382.08
  6. Step 6: Final answer
    x = 536.98

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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.