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Finding the Fourth Proportional to 359.02, 537.43 and 196.30

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Solution

The fourth proportional to 359.02, 537.43 and 196.30 is: 293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.02 : 537.43 = 196.30 : x
  2. Step 2: Convert to fraction form
    359.02/537.43 = 196.30/x
  3. Step 3: Cross multiply
    359.02x = 537.43 × 196.30
  4. Step 4: Simplify right side
    359.02x = 105,497.51
  5. Step 5: Solve for x
    x = 105,497.51/359.02
  6. Step 6: Final answer
    x = 293.85

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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.