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Finding the Fourth Proportional to 932.13, 1,286.16 and 600.45

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Solution

The fourth proportional to 932.13, 1,286.16 and 600.45 is: 828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.13 : 1,286.16 = 600.45 : x
  2. Step 2: Convert to fraction form
    932.13/1,286.16 = 600.45/x
  3. Step 3: Cross multiply
    932.13x = 1,286.16 × 600.45
  4. Step 4: Simplify right side
    932.13x = 772,274.77
  5. Step 5: Solve for x
    x = 772,274.77/932.13
  6. Step 6: Final answer
    x = 828.51

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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.