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Finding the Fourth Proportional to 614.99, 922.85 and 441.47

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Solution

The fourth proportional to 614.99, 922.85 and 441.47 is: 662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.99 : 922.85 = 441.47 : x
  2. Step 2: Convert to fraction form
    614.99/922.85 = 441.47/x
  3. Step 3: Cross multiply
    614.99x = 922.85 × 441.47
  4. Step 4: Simplify right side
    614.99x = 407,410.59
  5. Step 5: Solve for x
    x = 407,410.59/614.99
  6. Step 6: Final answer
    x = 662.47

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.