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Finding the Fourth Proportional to 493.52, 681.06 and 272.46

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Solution

The fourth proportional to 493.52, 681.06 and 272.46 is: 376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.52 : 681.06 = 272.46 : x
  2. Step 2: Convert to fraction form
    493.52/681.06 = 272.46/x
  3. Step 3: Cross multiply
    493.52x = 681.06 × 272.46
  4. Step 4: Simplify right side
    493.52x = 185,561.61
  5. Step 5: Solve for x
    x = 185,561.61/493.52
  6. Step 6: Final answer
    x = 376.00

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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.