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Finding the Fourth Proportional to 355.96, 533.65 and 182.65

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Solution

The fourth proportional to 355.96, 533.65 and 182.65 is: 273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.96 : 533.65 = 182.65 : x
  2. Step 2: Convert to fraction form
    355.96/533.65 = 182.65/x
  3. Step 3: Cross multiply
    355.96x = 533.65 × 182.65
  4. Step 4: Simplify right side
    355.96x = 97,470.61
  5. Step 5: Solve for x
    x = 97,470.61/355.96
  6. Step 6: Final answer
    x = 273.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.