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Finding the Fourth Proportional to 306.30, 460.04 and 190.94

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Solution

The fourth proportional to 306.30, 460.04 and 190.94 is: 286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.30 : 460.04 = 190.94 : x
  2. Step 2: Convert to fraction form
    306.30/460.04 = 190.94/x
  3. Step 3: Cross multiply
    306.30x = 460.04 × 190.94
  4. Step 4: Simplify right side
    306.30x = 87,840.04
  5. Step 5: Solve for x
    x = 87,840.04/306.30
  6. Step 6: Final answer
    x = 286.78

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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.