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Finding the Fourth Proportional to 549.99, 758.88 and 326.03

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Solution

The fourth proportional to 549.99, 758.88 and 326.03 is: 449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.99 : 758.88 = 326.03 : x
  2. Step 2: Convert to fraction form
    549.99/758.88 = 326.03/x
  3. Step 3: Cross multiply
    549.99x = 758.88 × 326.03
  4. Step 4: Simplify right side
    549.99x = 247,413.85
  5. Step 5: Solve for x
    x = 247,413.85/549.99
  6. Step 6: Final answer
    x = 449.85

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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.