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Finding the Fourth Proportional to 483.24, 723.93 and 239.46

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Solution

The fourth proportional to 483.24, 723.93 and 239.46 is: 358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.24 : 723.93 = 239.46 : x
  2. Step 2: Convert to fraction form
    483.24/723.93 = 239.46/x
  3. Step 3: Cross multiply
    483.24x = 723.93 × 239.46
  4. Step 4: Simplify right side
    483.24x = 173,352.28
  5. Step 5: Solve for x
    x = 173,352.28/483.24
  6. Step 6: Final answer
    x = 358.73

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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.