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Finding the Fourth Proportional to 359.56, 496.43 and 276.52

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Solution

The fourth proportional to 359.56, 496.43 and 276.52 is: 381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.56 : 496.43 = 276.52 : x
  2. Step 2: Convert to fraction form
    359.56/496.43 = 276.52/x
  3. Step 3: Cross multiply
    359.56x = 496.43 × 276.52
  4. Step 4: Simplify right side
    359.56x = 137,268.96
  5. Step 5: Solve for x
    x = 137,268.96/359.56
  6. Step 6: Final answer
    x = 381.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.