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Finding the Fourth Proportional to 306.52, 460.08 and 251.84

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Solution

The fourth proportional to 306.52, 460.08 and 251.84 is: 378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.52 : 460.08 = 251.84 : x
  2. Step 2: Convert to fraction form
    306.52/460.08 = 251.84/x
  3. Step 3: Cross multiply
    306.52x = 460.08 × 251.84
  4. Step 4: Simplify right side
    306.52x = 115,867.70
  5. Step 5: Solve for x
    x = 115,867.70/306.52
  6. Step 6: Final answer
    x = 378.01

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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.