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Finding the Fourth Proportional to 205.99, 309.04 and 183.34

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Solution

The fourth proportional to 205.99, 309.04 and 183.34 is: 275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.99 : 309.04 = 183.34 : x
  2. Step 2: Convert to fraction form
    205.99/309.04 = 183.34/x
  3. Step 3: Cross multiply
    205.99x = 309.04 × 183.34
  4. Step 4: Simplify right side
    205.99x = 56,659.39
  5. Step 5: Solve for x
    x = 56,659.39/205.99
  6. Step 6: Final answer
    x = 275.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.