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Finding the Fourth Proportional to 635.18, 952.88 and 224.21

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Solution

The fourth proportional to 635.18, 952.88 and 224.21 is: 336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.18 : 952.88 = 224.21 : x
  2. Step 2: Convert to fraction form
    635.18/952.88 = 224.21/x
  3. Step 3: Cross multiply
    635.18x = 952.88 × 224.21
  4. Step 4: Simplify right side
    635.18x = 213,639.34
  5. Step 5: Solve for x
    x = 213,639.34/635.18
  6. Step 6: Final answer
    x = 336.35

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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.