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Finding the Fourth Proportional to 308.35, 425.46 and 184.02

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Solution

The fourth proportional to 308.35, 425.46 and 184.02 is: 253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.35 : 425.46 = 184.02 : x
  2. Step 2: Convert to fraction form
    308.35/425.46 = 184.02/x
  3. Step 3: Cross multiply
    308.35x = 425.46 × 184.02
  4. Step 4: Simplify right side
    308.35x = 78,292.97
  5. Step 5: Solve for x
    x = 78,292.97/308.35
  6. Step 6: Final answer
    x = 253.91

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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.