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Finding the Fourth Proportional to 366.28, 504.96 and 299.66

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Solution

The fourth proportional to 366.28, 504.96 and 299.66 is: 413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.28 : 504.96 = 299.66 : x
  2. Step 2: Convert to fraction form
    366.28/504.96 = 299.66/x
  3. Step 3: Cross multiply
    366.28x = 504.96 × 299.66
  4. Step 4: Simplify right side
    366.28x = 151,316.31
  5. Step 5: Solve for x
    x = 151,316.31/366.28
  6. Step 6: Final answer
    x = 413.12

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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.