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Finding the Fourth Proportional to 483.05, 723.61 and 222.69

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Solution

The fourth proportional to 483.05, 723.61 and 222.69 is: 333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.05 : 723.61 = 222.69 : x
  2. Step 2: Convert to fraction form
    483.05/723.61 = 222.69/x
  3. Step 3: Cross multiply
    483.05x = 723.61 × 222.69
  4. Step 4: Simplify right side
    483.05x = 161,140.71
  5. Step 5: Solve for x
    x = 161,140.71/483.05
  6. Step 6: Final answer
    x = 333.59

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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.