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Finding the Fourth Proportional to 550.98, 822.18 and 516.03

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Solution

The fourth proportional to 550.98, 822.18 and 516.03 is: 770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.98 : 822.18 = 516.03 : x
  2. Step 2: Convert to fraction form
    550.98/822.18 = 516.03/x
  3. Step 3: Cross multiply
    550.98x = 822.18 × 516.03
  4. Step 4: Simplify right side
    550.98x = 424,269.55
  5. Step 5: Solve for x
    x = 424,269.55/550.98
  6. Step 6: Final answer
    x = 770.03

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Find fourth proportional to 275.49, 411.09 and 258.02
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.