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Finding the Fourth Proportional to 632.21, 948.04 and 247.19

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Solution

The fourth proportional to 632.21, 948.04 and 247.19 is: 370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.21 : 948.04 = 247.19 : x
  2. Step 2: Convert to fraction form
    632.21/948.04 = 247.19/x
  3. Step 3: Cross multiply
    632.21x = 948.04 × 247.19
  4. Step 4: Simplify right side
    632.21x = 234,346.01
  5. Step 5: Solve for x
    x = 234,346.01/632.21
  6. Step 6: Final answer
    x = 370.68

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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.