Home / 632.11-948.32-221.25

Finding the Fourth Proportional to 632.11, 948.32 and 221.25

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Solution

The fourth proportional to 632.11, 948.32 and 221.25 is: 331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.11 : 948.32 = 221.25 : x
  2. Step 2: Convert to fraction form
    632.11/948.32 = 221.25/x
  3. Step 3: Cross multiply
    632.11x = 948.32 × 221.25
  4. Step 4: Simplify right side
    632.11x = 209,815.80
  5. Step 5: Solve for x
    x = 209,815.80/632.11
  6. Step 6: Final answer
    x = 331.93

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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.