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Finding the Fourth Proportional to 632.03, 872.20 and 366.48

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Solution

The fourth proportional to 632.03, 872.20 and 366.48 is: 505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.03 : 872.20 = 366.48 : x
  2. Step 2: Convert to fraction form
    632.03/872.20 = 366.48/x
  3. Step 3: Cross multiply
    632.03x = 872.20 × 366.48
  4. Step 4: Simplify right side
    632.03x = 319,639.50
  5. Step 5: Solve for x
    x = 319,639.50/632.03
  6. Step 6: Final answer
    x = 505.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.