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Finding the Fourth Proportional to 549.55, 822.33 and 473.41

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Solution

The fourth proportional to 549.55, 822.33 and 473.41 is: 708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.55 : 822.33 = 473.41 : x
  2. Step 2: Convert to fraction form
    549.55/822.33 = 473.41/x
  3. Step 3: Cross multiply
    549.55x = 822.33 × 473.41
  4. Step 4: Simplify right side
    549.55x = 389,299.25
  5. Step 5: Solve for x
    x = 389,299.25/549.55
  6. Step 6: Final answer
    x = 708.40

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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.