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Finding the Fourth Proportional to 632.07, 948.29 and 266.85

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Solution

The fourth proportional to 632.07, 948.29 and 266.85 is: 400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.07 : 948.29 = 266.85 : x
  2. Step 2: Convert to fraction form
    632.07/948.29 = 266.85/x
  3. Step 3: Cross multiply
    632.07x = 948.29 × 266.85
  4. Step 4: Simplify right side
    632.07x = 253,049.85
  5. Step 5: Solve for x
    x = 253,049.85/632.07
  6. Step 6: Final answer
    x = 400.35

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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.