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Finding the Fourth Proportional to 833.38, 1,150.20 and 484.07

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Solution

The fourth proportional to 833.38, 1,150.20 and 484.07 is: 668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.38 : 1,150.20 = 484.07 : x
  2. Step 2: Convert to fraction form
    833.38/1,150.20 = 484.07/x
  3. Step 3: Cross multiply
    833.38x = 1,150.20 × 484.07
  4. Step 4: Simplify right side
    833.38x = 556,771.56
  5. Step 5: Solve for x
    x = 556,771.56/833.38
  6. Step 6: Final answer
    x = 668.09

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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.