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Finding the Fourth Proportional to 272.00, 374.61 and 252.87

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Solution

The fourth proportional to 272.00, 374.61 and 252.87 is: 348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.00 : 374.61 = 252.87 : x
  2. Step 2: Convert to fraction form
    272.00/374.61 = 252.87/x
  3. Step 3: Cross multiply
    272.00x = 374.61 × 252.87
  4. Step 4: Simplify right side
    272.00x = 94,727.17
  5. Step 5: Solve for x
    x = 94,727.17/272.00
  6. Step 6: Final answer
    x = 348.26

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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.