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Finding the Fourth Proportional to 833.45, 1,150.12 and 460.43

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Solution

The fourth proportional to 833.45, 1,150.12 and 460.43 is: 635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.45 : 1,150.12 = 460.43 : x
  2. Step 2: Convert to fraction form
    833.45/1,150.12 = 460.43/x
  3. Step 3: Cross multiply
    833.45x = 1,150.12 × 460.43
  4. Step 4: Simplify right side
    833.45x = 529,556.65
  5. Step 5: Solve for x
    x = 529,556.65/833.45
  6. Step 6: Final answer
    x = 635.38

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Double scale
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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.