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Finding the Fourth Proportional to 549.41, 823.20 and 332.54

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Solution

The fourth proportional to 549.41, 823.20 and 332.54 is: 498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.41 : 823.20 = 332.54 : x
  2. Step 2: Convert to fraction form
    549.41/823.20 = 332.54/x
  3. Step 3: Cross multiply
    549.41x = 823.20 × 332.54
  4. Step 4: Simplify right side
    549.41x = 273,742.81
  5. Step 5: Solve for x
    x = 273,742.81/549.41
  6. Step 6: Final answer
    x = 498.25

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Double scale
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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.