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Finding the Fourth Proportional to 635.55, 952.50 and 245.17

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Solution

The fourth proportional to 635.55, 952.50 and 245.17 is: 367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.55 : 952.50 = 245.17 : x
  2. Step 2: Convert to fraction form
    635.55/952.50 = 245.17/x
  3. Step 3: Cross multiply
    635.55x = 952.50 × 245.17
  4. Step 4: Simplify right side
    635.55x = 233,522.96
  5. Step 5: Solve for x
    x = 233,522.96/635.55
  6. Step 6: Final answer
    x = 367.43

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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.