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Finding the Fourth Proportional to 205.33, 307.47 and 164.83

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Solution

The fourth proportional to 205.33, 307.47 and 164.83 is: 246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.33 : 307.47 = 164.83 : x
  2. Step 2: Convert to fraction form
    205.33/307.47 = 164.83/x
  3. Step 3: Cross multiply
    205.33x = 307.47 × 164.83
  4. Step 4: Simplify right side
    205.33x = 50,680.28
  5. Step 5: Solve for x
    x = 50,680.28/205.33
  6. Step 6: Final answer
    x = 246.82

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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.