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Finding the Fourth Proportional to 552.41, 828.61 and 141.54

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Solution

The fourth proportional to 552.41, 828.61 and 141.54 is: 212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.41 : 828.61 = 141.54 : x
  2. Step 2: Convert to fraction form
    552.41/828.61 = 141.54/x
  3. Step 3: Cross multiply
    552.41x = 828.61 × 141.54
  4. Step 4: Simplify right side
    552.41x = 117,284.74
  5. Step 5: Solve for x
    x = 117,284.74/552.41
  6. Step 6: Final answer
    x = 212.32

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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.