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Finding the Fourth Proportional to 636.46, 955.53 and 363.08

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Solution

The fourth proportional to 636.46, 955.53 and 363.08 is: 545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.46 : 955.53 = 363.08 : x
  2. Step 2: Convert to fraction form
    636.46/955.53 = 363.08/x
  3. Step 3: Cross multiply
    636.46x = 955.53 × 363.08
  4. Step 4: Simplify right side
    636.46x = 346,936.22
  5. Step 5: Solve for x
    x = 346,936.22/636.46
  6. Step 6: Final answer
    x = 545.11

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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.