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Finding the Fourth Proportional to 635.22, 951.66 and 503.64

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Solution

The fourth proportional to 635.22, 951.66 and 503.64 is: 754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.22 : 951.66 = 503.64 : x
  2. Step 2: Convert to fraction form
    635.22/951.66 = 503.64/x
  3. Step 3: Cross multiply
    635.22x = 951.66 × 503.64
  4. Step 4: Simplify right side
    635.22x = 479,294.04
  5. Step 5: Solve for x
    x = 479,294.04/635.22
  6. Step 6: Final answer
    x = 754.53

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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.