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Finding the Fourth Proportional to 837.73, 1,155.60 and 523.05

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Solution

The fourth proportional to 837.73, 1,155.60 and 523.05 is: 721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.73 : 1,155.60 = 523.05 : x
  2. Step 2: Convert to fraction form
    837.73/1,155.60 = 523.05/x
  3. Step 3: Cross multiply
    837.73x = 1,155.60 × 523.05
  4. Step 4: Simplify right side
    837.73x = 604,436.58
  5. Step 5: Solve for x
    x = 604,436.58/837.73
  6. Step 6: Final answer
    x = 721.52

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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.