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Finding the Fourth Proportional to 374.00, 516.18 and 243.39

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Solution

The fourth proportional to 374.00, 516.18 and 243.39 is: 335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.00 : 516.18 = 243.39 : x
  2. Step 2: Convert to fraction form
    374.00/516.18 = 243.39/x
  3. Step 3: Cross multiply
    374.00x = 516.18 × 243.39
  4. Step 4: Simplify right side
    374.00x = 125,632.03
  5. Step 5: Solve for x
    x = 125,632.03/374.00
  6. Step 6: Final answer
    x = 335.92

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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.