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Finding the Fourth Proportional to 1,253.93, 1,881.02 and 523.37

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Solution

The fourth proportional to 1,253.93, 1,881.02 and 523.37 is: 785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253.93 : 1,881.02 = 523.37 : x
  2. Step 2: Convert to fraction form
    1,253.93/1,881.02 = 523.37/x
  3. Step 3: Cross multiply
    1,253.93x = 1,881.02 × 523.37
  4. Step 4: Simplify right side
    1,253.93x = 984,466.82
  5. Step 5: Solve for x
    x = 984,466.82/1,253.93
  6. Step 6: Final answer
    x = 785.11

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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.