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Finding the Fourth Proportional to 467.67, 645.22 and 271.13

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Solution

The fourth proportional to 467.67, 645.22 and 271.13 is: 374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.67 : 645.22 = 271.13 : x
  2. Step 2: Convert to fraction form
    467.67/645.22 = 271.13/x
  3. Step 3: Cross multiply
    467.67x = 645.22 × 271.13
  4. Step 4: Simplify right side
    467.67x = 174,938.50
  5. Step 5: Solve for x
    x = 174,938.50/467.67
  6. Step 6: Final answer
    x = 374.06

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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.