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Finding the Fourth Proportional to 301.14, 415.68 and 184.71

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Solution

The fourth proportional to 301.14, 415.68 and 184.71 is: 254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.14 : 415.68 = 184.71 : x
  2. Step 2: Convert to fraction form
    301.14/415.68 = 184.71/x
  3. Step 3: Cross multiply
    301.14x = 415.68 × 184.71
  4. Step 4: Simplify right side
    301.14x = 76,780.25
  5. Step 5: Solve for x
    x = 76,780.25/301.14
  6. Step 6: Final answer
    x = 254.97

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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.