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Finding the Fourth Proportional to 483.06, 724.32 and 223.32

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Solution

The fourth proportional to 483.06, 724.32 and 223.32 is: 334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.06 : 724.32 = 223.32 : x
  2. Step 2: Convert to fraction form
    483.06/724.32 = 223.32/x
  3. Step 3: Cross multiply
    483.06x = 724.32 × 223.32
  4. Step 4: Simplify right side
    483.06x = 161,755.14
  5. Step 5: Solve for x
    x = 161,755.14/483.06
  6. Step 6: Final answer
    x = 334.86

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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.