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Finding the Fourth Proportional to 345.96, 519.66 and 327.24

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Solution

The fourth proportional to 345.96, 519.66 and 327.24 is: 491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.96 : 519.66 = 327.24 : x
  2. Step 2: Convert to fraction form
    345.96/519.66 = 327.24/x
  3. Step 3: Cross multiply
    345.96x = 519.66 × 327.24
  4. Step 4: Simplify right side
    345.96x = 170,053.54
  5. Step 5: Solve for x
    x = 170,053.54/345.96
  6. Step 6: Final answer
    x = 491.54

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