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Finding the Fourth Proportional to 365.85, 504.86 and 200.07

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Solution

The fourth proportional to 365.85, 504.86 and 200.07 is: 276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.85 : 504.86 = 200.07 : x
  2. Step 2: Convert to fraction form
    365.85/504.86 = 200.07/x
  3. Step 3: Cross multiply
    365.85x = 504.86 × 200.07
  4. Step 4: Simplify right side
    365.85x = 101,006.34
  5. Step 5: Solve for x
    x = 101,006.34/365.85
  6. Step 6: Final answer
    x = 276.09

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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.