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Finding the Fourth Proportional to 366.01, 504.97 and 208.63

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Solution

The fourth proportional to 366.01, 504.97 and 208.63 is: 287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.01 : 504.97 = 208.63 : x
  2. Step 2: Convert to fraction form
    366.01/504.97 = 208.63/x
  3. Step 3: Cross multiply
    366.01x = 504.97 × 208.63
  4. Step 4: Simplify right side
    366.01x = 105,351.89
  5. Step 5: Solve for x
    x = 105,351.89/366.01
  6. Step 6: Final answer
    x = 287.84

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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.