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Finding the Fourth Proportional to 1,301.23, 1,796.90 and 836.29

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Solution

The fourth proportional to 1,301.23, 1,796.90 and 836.29 is: 1,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.23 : 1,796.90 = 836.29 : x
  2. Step 2: Convert to fraction form
    1,301.23/1,796.90 = 836.29/x
  3. Step 3: Cross multiply
    1,301.23x = 1,796.90 × 836.29
  4. Step 4: Simplify right side
    1,301.23x = 1,502,729.50
  5. Step 5: Solve for x
    x = 1,502,729.50/1,301.23
  6. Step 6: Final answer
    x = 1,154.85

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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.