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Finding the Fourth Proportional to 359.94, 496.17 and 228.90

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Solution

The fourth proportional to 359.94, 496.17 and 228.90 is: 315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.94 : 496.17 = 228.90 : x
  2. Step 2: Convert to fraction form
    359.94/496.17 = 228.90/x
  3. Step 3: Cross multiply
    359.94x = 496.17 × 228.90
  4. Step 4: Simplify right side
    359.94x = 113,573.31
  5. Step 5: Solve for x
    x = 113,573.31/359.94
  6. Step 6: Final answer
    x = 315.53

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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.