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Finding the Fourth Proportional to 549.58, 758.29 and 325.53

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Solution

The fourth proportional to 549.58, 758.29 and 325.53 is: 449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.58 : 758.29 = 325.53 : x
  2. Step 2: Convert to fraction form
    549.58/758.29 = 325.53/x
  3. Step 3: Cross multiply
    549.58x = 758.29 × 325.53
  4. Step 4: Simplify right side
    549.58x = 246,844.25
  5. Step 5: Solve for x
    x = 246,844.25/549.58
  6. Step 6: Final answer
    x = 449.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.