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Finding the Fourth Proportional to 635.40, 952.80 and 224.58

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Solution

The fourth proportional to 635.40, 952.80 and 224.58 is: 336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.40 : 952.80 = 224.58 : x
  2. Step 2: Convert to fraction form
    635.40/952.80 = 224.58/x
  3. Step 3: Cross multiply
    635.40x = 952.80 × 224.58
  4. Step 4: Simplify right side
    635.40x = 213,979.82
  5. Step 5: Solve for x
    x = 213,979.82/635.40
  6. Step 6: Final answer
    x = 336.76

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1.5x scale

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.