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Finding the Fourth Proportional to 270.01, 372.54 and 165.12

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Solution

The fourth proportional to 270.01, 372.54 and 165.12 is: 227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.01 : 372.54 = 165.12 : x
  2. Step 2: Convert to fraction form
    270.01/372.54 = 165.12/x
  3. Step 3: Cross multiply
    270.01x = 372.54 × 165.12
  4. Step 4: Simplify right side
    270.01x = 61,513.80
  5. Step 5: Solve for x
    x = 61,513.80/270.01
  6. Step 6: Final answer
    x = 227.82

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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.