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Finding the Fourth Proportional to 894.27, 1,338.84 and 632.37

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Solution

The fourth proportional to 894.27, 1,338.84 and 632.37 is: 946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.27 : 1,338.84 = 632.37 : x
  2. Step 2: Convert to fraction form
    894.27/1,338.84 = 632.37/x
  3. Step 3: Cross multiply
    894.27x = 1,338.84 × 632.37
  4. Step 4: Simplify right side
    894.27x = 846,642.25
  5. Step 5: Solve for x
    x = 846,642.25/894.27
  6. Step 6: Final answer
    x = 946.74

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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.