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Finding the Fourth Proportional to 482.27, 723.41 and 153.24

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Solution

The fourth proportional to 482.27, 723.41 and 153.24 is: 229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.27 : 723.41 = 153.24 : x
  2. Step 2: Convert to fraction form
    482.27/723.41 = 153.24/x
  3. Step 3: Cross multiply
    482.27x = 723.41 × 153.24
  4. Step 4: Simplify right side
    482.27x = 110,858.53
  5. Step 5: Solve for x
    x = 110,858.53/482.27
  6. Step 6: Final answer
    x = 229.87

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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.