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Finding the Fourth Proportional to 836.05, 1,252.70 and 592.14

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Solution

The fourth proportional to 836.05, 1,252.70 and 592.14 is: 887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.05 : 1,252.70 = 592.14 : x
  2. Step 2: Convert to fraction form
    836.05/1,252.70 = 592.14/x
  3. Step 3: Cross multiply
    836.05x = 1,252.70 × 592.14
  4. Step 4: Simplify right side
    836.05x = 741,764.55
  5. Step 5: Solve for x
    x = 741,764.55/836.05
  6. Step 6: Final answer
    x = 887.23

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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.