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Finding the Fourth Proportional to 561.53, 844.22 and 441.25

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Solution

The fourth proportional to 561.53, 844.22 and 441.25 is: 663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    561.53 : 844.22 = 441.25 : x
  2. Step 2: Convert to fraction form
    561.53/844.22 = 441.25/x
  3. Step 3: Cross multiply
    561.53x = 844.22 × 441.25
  4. Step 4: Simplify right side
    561.53x = 372,511.07
  5. Step 5: Solve for x
    x = 372,511.07/561.53
  6. Step 6: Final answer
    x = 663.38

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Double scale
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1.5x scale

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.