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Finding the Fourth Proportional to 366.52, 504.93 and 255.80

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Solution

The fourth proportional to 366.52, 504.93 and 255.80 is: 352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.52 : 504.93 = 255.80 : x
  2. Step 2: Convert to fraction form
    366.52/504.93 = 255.80/x
  3. Step 3: Cross multiply
    366.52x = 504.93 × 255.80
  4. Step 4: Simplify right side
    366.52x = 129,161.09
  5. Step 5: Solve for x
    x = 129,161.09/366.52
  6. Step 6: Final answer
    x = 352.40

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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.