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Finding the Fourth Proportional to 833.40, 1,150.17 and 460.38

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Solution

The fourth proportional to 833.40, 1,150.17 and 460.38 is: 635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.40 : 1,150.17 = 460.38 : x
  2. Step 2: Convert to fraction form
    833.40/1,150.17 = 460.38/x
  3. Step 3: Cross multiply
    833.40x = 1,150.17 × 460.38
  4. Step 4: Simplify right side
    833.40x = 529,515.26
  5. Step 5: Solve for x
    x = 529,515.26/833.40
  6. Step 6: Final answer
    x = 635.37

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1.5x scale

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.