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Finding the Fourth Proportional to 632.13, 948.19 and 193.38

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Solution

The fourth proportional to 632.13, 948.19 and 193.38 is: 290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.13 : 948.19 = 193.38 : x
  2. Step 2: Convert to fraction form
    632.13/948.19 = 193.38/x
  3. Step 3: Cross multiply
    632.13x = 948.19 × 193.38
  4. Step 4: Simplify right side
    632.13x = 183,360.98
  5. Step 5: Solve for x
    x = 183,360.98/632.13
  6. Step 6: Final answer
    x = 290.07

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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.