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Finding the Fourth Proportional to 483.54, 725.74 and 223.94

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Solution

The fourth proportional to 483.54, 725.74 and 223.94 is: 336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.54 : 725.74 = 223.94 : x
  2. Step 2: Convert to fraction form
    483.54/725.74 = 223.94/x
  3. Step 3: Cross multiply
    483.54x = 725.74 × 223.94
  4. Step 4: Simplify right side
    483.54x = 162,522.22
  5. Step 5: Solve for x
    x = 162,522.22/483.54
  6. Step 6: Final answer
    x = 336.11

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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.