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Finding the Fourth Proportional to 635.06, 953.16 and 327.12

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Solution

The fourth proportional to 635.06, 953.16 and 327.12 is: 490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.06 : 953.16 = 327.12 : x
  2. Step 2: Convert to fraction form
    635.06/953.16 = 327.12/x
  3. Step 3: Cross multiply
    635.06x = 953.16 × 327.12
  4. Step 4: Simplify right side
    635.06x = 311,797.70
  5. Step 5: Solve for x
    x = 311,797.70/635.06
  6. Step 6: Final answer
    x = 490.98

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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.