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Finding the Fourth Proportional to 312.04, 467.60 and 182.04

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Solution

The fourth proportional to 312.04, 467.60 and 182.04 is: 272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    312.04 : 467.60 = 182.04 : x
  2. Step 2: Convert to fraction form
    312.04/467.60 = 182.04/x
  3. Step 3: Cross multiply
    312.04x = 467.60 × 182.04
  4. Step 4: Simplify right side
    312.04x = 85,121.90
  5. Step 5: Solve for x
    x = 85,121.90/312.04
  6. Step 6: Final answer
    x = 272.79

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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.