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Finding the Fourth Proportional to 1,364.01, 2,046.29 and 531.03

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Solution

The fourth proportional to 1,364.01, 2,046.29 and 531.03 is: 796.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.01 : 2,046.29 = 531.03 : x
  2. Step 2: Convert to fraction form
    1,364.01/2,046.29 = 531.03/x
  3. Step 3: Cross multiply
    1,364.01x = 2,046.29 × 531.03
  4. Step 4: Simplify right side
    1,364.01x = 1,086,641.38
  5. Step 5: Solve for x
    x = 1,086,641.38/1,364.01
  6. Step 6: Final answer
    x = 796.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.