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Finding the Fourth Proportional to 634.19, 950.67 and 268.47

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Solution

The fourth proportional to 634.19, 950.67 and 268.47 is: 402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.19 : 950.67 = 268.47 : x
  2. Step 2: Convert to fraction form
    634.19/950.67 = 268.47/x
  3. Step 3: Cross multiply
    634.19x = 950.67 × 268.47
  4. Step 4: Simplify right side
    634.19x = 255,226.37
  5. Step 5: Solve for x
    x = 255,226.37/634.19
  6. Step 6: Final answer
    x = 402.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.