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Finding the Fourth Proportional to 937.00, 1,290.16 and 803.22

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Solution

The fourth proportional to 937.00, 1,290.16 and 803.22 is: 1,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.00 : 1,290.16 = 803.22 : x
  2. Step 2: Convert to fraction form
    937.00/1,290.16 = 803.22/x
  3. Step 3: Cross multiply
    937.00x = 1,290.16 × 803.22
  4. Step 4: Simplify right side
    937.00x = 1,036,278.48
  5. Step 5: Solve for x
    x = 1,036,278.48/937.00
  6. Step 6: Final answer
    x = 1,105.95

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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.