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Finding the Fourth Proportional to 359.46, 540.11 and 349.42

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Solution

The fourth proportional to 359.46, 540.11 and 349.42 is: 525.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.46 : 540.11 = 349.42 : x
  2. Step 2: Convert to fraction form
    359.46/540.11 = 349.42/x
  3. Step 3: Cross multiply
    359.46x = 540.11 × 349.42
  4. Step 4: Simplify right side
    359.46x = 188,725.24
  5. Step 5: Solve for x
    x = 188,725.24/359.46
  6. Step 6: Final answer
    x = 525.02

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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.