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Finding the Fourth Proportional to 350.14, 525.52 and 311.56

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Solution

The fourth proportional to 350.14, 525.52 and 311.56 is: 467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.14 : 525.52 = 311.56 : x
  2. Step 2: Convert to fraction form
    350.14/525.52 = 311.56/x
  3. Step 3: Cross multiply
    350.14x = 525.52 × 311.56
  4. Step 4: Simplify right side
    350.14x = 163,731.01
  5. Step 5: Solve for x
    x = 163,731.01/350.14
  6. Step 6: Final answer
    x = 467.62

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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.