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Finding the Fourth Proportional to 351.01, 484.12 and 272.57

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Solution

The fourth proportional to 351.01, 484.12 and 272.57 is: 375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.01 : 484.12 = 272.57 : x
  2. Step 2: Convert to fraction form
    351.01/484.12 = 272.57/x
  3. Step 3: Cross multiply
    351.01x = 484.12 × 272.57
  4. Step 4: Simplify right side
    351.01x = 131,956.59
  5. Step 5: Solve for x
    x = 131,956.59/351.01
  6. Step 6: Final answer
    x = 375.93

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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.