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Finding the Fourth Proportional to 549.58, 824.59 and 330.62

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Solution

The fourth proportional to 549.58, 824.59 and 330.62 is: 496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.58 : 824.59 = 330.62 : x
  2. Step 2: Convert to fraction form
    549.58/824.59 = 330.62/x
  3. Step 3: Cross multiply
    549.58x = 824.59 × 330.62
  4. Step 4: Simplify right side
    549.58x = 272,625.95
  5. Step 5: Solve for x
    x = 272,625.95/549.58
  6. Step 6: Final answer
    x = 496.06

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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.