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Finding the Fourth Proportional to 270.67, 371.10 and 265.81

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Solution

The fourth proportional to 270.67, 371.10 and 265.81 is: 364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.67 : 371.10 = 265.81 : x
  2. Step 2: Convert to fraction form
    270.67/371.10 = 265.81/x
  3. Step 3: Cross multiply
    270.67x = 371.10 × 265.81
  4. Step 4: Simplify right side
    270.67x = 98,640.76
  5. Step 5: Solve for x
    x = 98,640.76/270.67
  6. Step 6: Final answer
    x = 364.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.