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Finding the Fourth Proportional to 344.54, 516.91 and 162.04

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Solution

The fourth proportional to 344.54, 516.91 and 162.04 is: 243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.54 : 516.91 = 162.04 : x
  2. Step 2: Convert to fraction form
    344.54/516.91 = 162.04/x
  3. Step 3: Cross multiply
    344.54x = 516.91 × 162.04
  4. Step 4: Simplify right side
    344.54x = 83,760.10
  5. Step 5: Solve for x
    x = 83,760.10/344.54
  6. Step 6: Final answer
    x = 243.11

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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.