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Finding the Fourth Proportional to 548.76, 823.62 and 366.38

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Solution

The fourth proportional to 548.76, 823.62 and 366.38 is: 549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.76 : 823.62 = 366.38 : x
  2. Step 2: Convert to fraction form
    548.76/823.62 = 366.38/x
  3. Step 3: Cross multiply
    548.76x = 823.62 × 366.38
  4. Step 4: Simplify right side
    548.76x = 301,757.90
  5. Step 5: Solve for x
    x = 301,757.90/548.76
  6. Step 6: Final answer
    x = 549.89

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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.