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Finding the Fourth Proportional to 482.66, 723.83 and 222.50

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Solution

The fourth proportional to 482.66, 723.83 and 222.50 is: 333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.66 : 723.83 = 222.50 : x
  2. Step 2: Convert to fraction form
    482.66/723.83 = 222.50/x
  3. Step 3: Cross multiply
    482.66x = 723.83 × 222.50
  4. Step 4: Simplify right side
    482.66x = 161,052.18
  5. Step 5: Solve for x
    x = 161,052.18/482.66
  6. Step 6: Final answer
    x = 333.68

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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.