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Finding the Fourth Proportional to 662.06, 914.02 and 441.38

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Solution

The fourth proportional to 662.06, 914.02 and 441.38 is: 609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.06 : 914.02 = 441.38 : x
  2. Step 2: Convert to fraction form
    662.06/914.02 = 441.38/x
  3. Step 3: Cross multiply
    662.06x = 914.02 × 441.38
  4. Step 4: Simplify right side
    662.06x = 403,430.15
  5. Step 5: Solve for x
    x = 403,430.15/662.06
  6. Step 6: Final answer
    x = 609.36

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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.