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Finding the Fourth Proportional to 832.04, 1,246.86 and 344.48

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Solution

The fourth proportional to 832.04, 1,246.86 and 344.48 is: 516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.04 : 1,246.86 = 344.48 : x
  2. Step 2: Convert to fraction form
    832.04/1,246.86 = 344.48/x
  3. Step 3: Cross multiply
    832.04x = 1,246.86 × 344.48
  4. Step 4: Simplify right side
    832.04x = 429,518.33
  5. Step 5: Solve for x
    x = 429,518.33/832.04
  6. Step 6: Final answer
    x = 516.22

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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.