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Finding the Fourth Proportional to 366.33, 504.68 and 255.61

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Solution

The fourth proportional to 366.33, 504.68 and 255.61 is: 352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.33 : 504.68 = 255.61 : x
  2. Step 2: Convert to fraction form
    366.33/504.68 = 255.61/x
  3. Step 3: Cross multiply
    366.33x = 504.68 × 255.61
  4. Step 4: Simplify right side
    366.33x = 128,997.45
  5. Step 5: Solve for x
    x = 128,997.45/366.33
  6. Step 6: Final answer
    x = 352.14

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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.