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Finding the Fourth Proportional to 549.14, 823.52 and 375.75

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Solution

The fourth proportional to 549.14, 823.52 and 375.75 is: 563.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.14 : 823.52 = 375.75 : x
  2. Step 2: Convert to fraction form
    549.14/823.52 = 375.75/x
  3. Step 3: Cross multiply
    549.14x = 823.52 × 375.75
  4. Step 4: Simplify right side
    549.14x = 309,438.58
  5. Step 5: Solve for x
    x = 309,438.58/549.14
  6. Step 6: Final answer
    x = 563.50

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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.