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Finding the Fourth Proportional to 632.54, 872.96 and 370.60

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Solution

The fourth proportional to 632.54, 872.96 and 370.60 is: 511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.54 : 872.96 = 370.60 : x
  2. Step 2: Convert to fraction form
    632.54/872.96 = 370.60/x
  3. Step 3: Cross multiply
    632.54x = 872.96 × 370.60
  4. Step 4: Simplify right side
    632.54x = 323,514.94
  5. Step 5: Solve for x
    x = 323,514.94/632.54
  6. Step 6: Final answer
    x = 511.45

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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.