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Finding the Fourth Proportional to 1,016.11, 1,402.14 and 573.93

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Solution

The fourth proportional to 1,016.11, 1,402.14 and 573.93 is: 791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.11 : 1,402.14 = 573.93 : x
  2. Step 2: Convert to fraction form
    1,016.11/1,402.14 = 573.93/x
  3. Step 3: Cross multiply
    1,016.11x = 1,402.14 × 573.93
  4. Step 4: Simplify right side
    1,016.11x = 804,730.21
  5. Step 5: Solve for x
    x = 804,730.21/1,016.11
  6. Step 6: Final answer
    x = 791.97

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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.