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Finding the Fourth Proportional to 1,238.44, 1,857.68 and 588.84

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Solution

The fourth proportional to 1,238.44, 1,857.68 and 588.84 is: 883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238.44 : 1,857.68 = 588.84 : x
  2. Step 2: Convert to fraction form
    1,238.44/1,857.68 = 588.84/x
  3. Step 3: Cross multiply
    1,238.44x = 1,857.68 × 588.84
  4. Step 4: Simplify right side
    1,238.44x = 1,093,876.29
  5. Step 5: Solve for x
    x = 1,093,876.29/1,238.44
  6. Step 6: Final answer
    x = 883.27

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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.