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Finding the Fourth Proportional to 835.38, 1,254.29 and 750.33

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Solution

The fourth proportional to 835.38, 1,254.29 and 750.33 is: 1,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.38 : 1,254.29 = 750.33 : x
  2. Step 2: Convert to fraction form
    835.38/1,254.29 = 750.33/x
  3. Step 3: Cross multiply
    835.38x = 1,254.29 × 750.33
  4. Step 4: Simplify right side
    835.38x = 941,127.66
  5. Step 5: Solve for x
    x = 941,127.66/835.38
  6. Step 6: Final answer
    x = 1,126.59

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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.