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Finding the Fourth Proportional to 474.17, 711.01 and 199.98

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Solution

The fourth proportional to 474.17, 711.01 and 199.98 is: 299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.17 : 711.01 = 199.98 : x
  2. Step 2: Convert to fraction form
    474.17/711.01 = 199.98/x
  3. Step 3: Cross multiply
    474.17x = 711.01 × 199.98
  4. Step 4: Simplify right side
    474.17x = 142,188.03
  5. Step 5: Solve for x
    x = 142,188.03/474.17
  6. Step 6: Final answer
    x = 299.87

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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.