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Finding the Fourth Proportional to 636.50, 955.12 and 294.50

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Solution

The fourth proportional to 636.50, 955.12 and 294.50 is: 441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.50 : 955.12 = 294.50 : x
  2. Step 2: Convert to fraction form
    636.50/955.12 = 294.50/x
  3. Step 3: Cross multiply
    636.50x = 955.12 × 294.50
  4. Step 4: Simplify right side
    636.50x = 281,282.84
  5. Step 5: Solve for x
    x = 281,282.84/636.50
  6. Step 6: Final answer
    x = 441.92

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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.