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Finding the Fourth Proportional to 483.47, 667.18 and 262.41

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Solution

The fourth proportional to 483.47, 667.18 and 262.41 is: 362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.47 : 667.18 = 262.41 : x
  2. Step 2: Convert to fraction form
    483.47/667.18 = 262.41/x
  3. Step 3: Cross multiply
    483.47x = 667.18 × 262.41
  4. Step 4: Simplify right side
    483.47x = 175,076.95
  5. Step 5: Solve for x
    x = 175,076.95/483.47
  6. Step 6: Final answer
    x = 362.13

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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.