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Finding the Fourth Proportional to 483, 723.99 and 222.81

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Solution

The fourth proportional to 483, 723.99 and 222.81 is: 333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483 : 723.99 = 222.81 : x
  2. Step 2: Convert to fraction form
    483/723.99 = 222.81/x
  3. Step 3: Cross multiply
    483x = 723.99 × 222.81
  4. Step 4: Simplify right side
    483x = 161,312.21
  5. Step 5: Solve for x
    x = 161,312.21/483
  6. Step 6: Final answer
    x = 333.98

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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.