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Finding the Fourth Proportional to 481.50, 723.12 and 250.55

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Solution

The fourth proportional to 481.50, 723.12 and 250.55 is: 376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.50 : 723.12 = 250.55 : x
  2. Step 2: Convert to fraction form
    481.50/723.12 = 250.55/x
  3. Step 3: Cross multiply
    481.50x = 723.12 × 250.55
  4. Step 4: Simplify right side
    481.50x = 181,176.46
  5. Step 5: Solve for x
    x = 181,176.46/481.50
  6. Step 6: Final answer
    x = 376.28

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Double scale
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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.