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Finding the Fourth Proportional to 359.88, 539.01 and 324.24

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Solution

The fourth proportional to 359.88, 539.01 and 324.24 is: 485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.88 : 539.01 = 324.24 : x
  2. Step 2: Convert to fraction form
    359.88/539.01 = 324.24/x
  3. Step 3: Cross multiply
    359.88x = 539.01 × 324.24
  4. Step 4: Simplify right side
    359.88x = 174,768.60
  5. Step 5: Solve for x
    x = 174,768.60/359.88
  6. Step 6: Final answer
    x = 485.63

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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.