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Finding the Fourth Proportional to 483.53, 667.26 and 262.48

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Solution

The fourth proportional to 483.53, 667.26 and 262.48 is: 362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.53 : 667.26 = 262.48 : x
  2. Step 2: Convert to fraction form
    483.53/667.26 = 262.48/x
  3. Step 3: Cross multiply
    483.53x = 667.26 × 262.48
  4. Step 4: Simplify right side
    483.53x = 175,139.49
  5. Step 5: Solve for x
    x = 175,139.49/483.53
  6. Step 6: Final answer
    x = 362.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.