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Finding the Fourth Proportional to 932.10, 1,286.12 and 600.46

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Solution

The fourth proportional to 932.10, 1,286.12 and 600.46 is: 828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.10 : 1,286.12 = 600.46 : x
  2. Step 2: Convert to fraction form
    932.10/1,286.12 = 600.46/x
  3. Step 3: Cross multiply
    932.10x = 1,286.12 × 600.46
  4. Step 4: Simplify right side
    932.10x = 772,263.62
  5. Step 5: Solve for x
    x = 772,263.62/932.10
  6. Step 6: Final answer
    x = 828.52

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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.