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Finding the Fourth Proportional to 374.19, 516.37 and 234.36

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Solution

The fourth proportional to 374.19, 516.37 and 234.36 is: 323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.19 : 516.37 = 234.36 : x
  2. Step 2: Convert to fraction form
    374.19/516.37 = 234.36/x
  3. Step 3: Cross multiply
    374.19x = 516.37 × 234.36
  4. Step 4: Simplify right side
    374.19x = 121,016.47
  5. Step 5: Solve for x
    x = 121,016.47/374.19
  6. Step 6: Final answer
    x = 323.41

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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.