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Finding the Fourth Proportional to 662.23, 993.46 and 223.52

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Solution

The fourth proportional to 662.23, 993.46 and 223.52 is: 335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.23 : 993.46 = 223.52 : x
  2. Step 2: Convert to fraction form
    662.23/993.46 = 223.52/x
  3. Step 3: Cross multiply
    662.23x = 993.46 × 223.52
  4. Step 4: Simplify right side
    662.23x = 222,058.18
  5. Step 5: Solve for x
    x = 222,058.18/662.23
  6. Step 6: Final answer
    x = 335.32

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1.5x scale

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.