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Finding the Fourth Proportional to 672.13, 927.06 and 583.48

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Solution

The fourth proportional to 672.13, 927.06 and 583.48 is: 804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.13 : 927.06 = 583.48 : x
  2. Step 2: Convert to fraction form
    672.13/927.06 = 583.48/x
  3. Step 3: Cross multiply
    672.13x = 927.06 × 583.48
  4. Step 4: Simplify right side
    672.13x = 540,920.97
  5. Step 5: Solve for x
    x = 540,920.97/672.13
  6. Step 6: Final answer
    x = 804.79

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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.