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Finding the Fourth Proportional to 350.46, 527.13 and 317.34

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Solution

The fourth proportional to 350.46, 527.13 and 317.34 is: 477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.46 : 527.13 = 317.34 : x
  2. Step 2: Convert to fraction form
    350.46/527.13 = 317.34/x
  3. Step 3: Cross multiply
    350.46x = 527.13 × 317.34
  4. Step 4: Simplify right side
    350.46x = 167,279.43
  5. Step 5: Solve for x
    x = 167,279.43/350.46
  6. Step 6: Final answer
    x = 477.31

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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.