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Finding the Fourth Proportional to 635.56, 950.80 and 549.82

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Solution

The fourth proportional to 635.56, 950.80 and 549.82 is: 822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.56 : 950.80 = 549.82 : x
  2. Step 2: Convert to fraction form
    635.56/950.80 = 549.82/x
  3. Step 3: Cross multiply
    635.56x = 950.80 × 549.82
  4. Step 4: Simplify right side
    635.56x = 522,768.15
  5. Step 5: Solve for x
    x = 522,768.15/635.56
  6. Step 6: Final answer
    x = 822.53

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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.