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Finding the Fourth Proportional to 272.08, 372.76 and 262.36

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Solution

The fourth proportional to 272.08, 372.76 and 262.36 is: 359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.08 : 372.76 = 262.36 : x
  2. Step 2: Convert to fraction form
    272.08/372.76 = 262.36/x
  3. Step 3: Cross multiply
    272.08x = 372.76 × 262.36
  4. Step 4: Simplify right side
    272.08x = 97,797.31
  5. Step 5: Solve for x
    x = 97,797.31/272.08
  6. Step 6: Final answer
    x = 359.44

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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.