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Finding the Fourth Proportional to 359.14, 537.80 and 251.00

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Solution

The fourth proportional to 359.14, 537.80 and 251.00 is: 375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.14 : 537.80 = 251.00 : x
  2. Step 2: Convert to fraction form
    359.14/537.80 = 251.00/x
  3. Step 3: Cross multiply
    359.14x = 537.80 × 251.00
  4. Step 4: Simplify right side
    359.14x = 134,987.89
  5. Step 5: Solve for x
    x = 134,987.89/359.14
  6. Step 6: Final answer
    x = 375.87

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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.