Home / 180.20-247.12-174.08

Finding the Fourth Proportional to 180.20, 247.12 and 174.08

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Solution

The fourth proportional to 180.20, 247.12 and 174.08 is: 238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.20 : 247.12 = 174.08 : x
  2. Step 2: Convert to fraction form
    180.20/247.12 = 174.08/x
  3. Step 3: Cross multiply
    180.20x = 247.12 × 174.08
  4. Step 4: Simplify right side
    180.20x = 43,018.65
  5. Step 5: Solve for x
    x = 43,018.65/180.20
  6. Step 6: Final answer
    x = 238.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.