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Finding the Fourth Proportional to 662.11, 914.10 and 441.37

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Solution

The fourth proportional to 662.11, 914.10 and 441.37 is: 609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.11 : 914.10 = 441.37 : x
  2. Step 2: Convert to fraction form
    662.11/914.10 = 441.37/x
  3. Step 3: Cross multiply
    662.11x = 914.10 × 441.37
  4. Step 4: Simplify right side
    662.11x = 403,456.32
  5. Step 5: Solve for x
    x = 403,456.32/662.11
  6. Step 6: Final answer
    x = 609.35

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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.