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Finding the Fourth Proportional to 324.06, 485.64 and 227.67

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Solution

The fourth proportional to 324.06, 485.64 and 227.67 is: 341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.06 : 485.64 = 227.67 : x
  2. Step 2: Convert to fraction form
    324.06/485.64 = 227.67/x
  3. Step 3: Cross multiply
    324.06x = 485.64 × 227.67
  4. Step 4: Simplify right side
    324.06x = 110,565.66
  5. Step 5: Solve for x
    x = 110,565.66/324.06
  6. Step 6: Final answer
    x = 341.19

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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.