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Finding the Fourth Proportional to 347.59, 520.57 and 323.29

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Solution

The fourth proportional to 347.59, 520.57 and 323.29 is: 484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.59 : 520.57 = 323.29 : x
  2. Step 2: Convert to fraction form
    347.59/520.57 = 323.29/x
  3. Step 3: Cross multiply
    347.59x = 520.57 × 323.29
  4. Step 4: Simplify right side
    347.59x = 168,295.08
  5. Step 5: Solve for x
    x = 168,295.08/347.59
  6. Step 6: Final answer
    x = 484.18

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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.