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Finding the Fourth Proportional to 359.52, 537.96 and 319.44

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Solution

The fourth proportional to 359.52, 537.96 and 319.44 is: 477.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.52 : 537.96 = 319.44 : x
  2. Step 2: Convert to fraction form
    359.52/537.96 = 319.44/x
  3. Step 3: Cross multiply
    359.52x = 537.96 × 319.44
  4. Step 4: Simplify right side
    359.52x = 171,845.94
  5. Step 5: Solve for x
    x = 171,845.94/359.52
  6. Step 6: Final answer
    x = 477.99

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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.