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Finding the Fourth Proportional to 833.73, 1,150.07 and 609.38

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Solution

The fourth proportional to 833.73, 1,150.07 and 609.38 is: 840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.73 : 1,150.07 = 609.38 : x
  2. Step 2: Convert to fraction form
    833.73/1,150.07 = 609.38/x
  3. Step 3: Cross multiply
    833.73x = 1,150.07 × 609.38
  4. Step 4: Simplify right side
    833.73x = 700,820.86
  5. Step 5: Solve for x
    x = 700,820.86/833.73
  6. Step 6: Final answer
    x = 840.58

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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.