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Finding the Fourth Proportional to 833.37, 1,149.84 and 483.86

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Solution

The fourth proportional to 833.37, 1,149.84 and 483.86 is: 667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.37 : 1,149.84 = 483.86 : x
  2. Step 2: Convert to fraction form
    833.37/1,149.84 = 483.86/x
  3. Step 3: Cross multiply
    833.37x = 1,149.84 × 483.86
  4. Step 4: Simplify right side
    833.37x = 556,355.83
  5. Step 5: Solve for x
    x = 556,355.83/833.37
  6. Step 6: Final answer
    x = 667.60

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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.