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Finding the Fourth Proportional to 837.41, 1,155.56 and 483.33

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Solution

The fourth proportional to 837.41, 1,155.56 and 483.33 is: 666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.41 : 1,155.56 = 483.33 : x
  2. Step 2: Convert to fraction form
    837.41/1,155.56 = 483.33/x
  3. Step 3: Cross multiply
    837.41x = 1,155.56 × 483.33
  4. Step 4: Simplify right side
    837.41x = 558,511.04
  5. Step 5: Solve for x
    x = 558,511.04/837.41
  6. Step 6: Final answer
    x = 666.95

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Half scale
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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.