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Finding the Fourth Proportional to 491.94, 737.98 and 199.52

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Solution

The fourth proportional to 491.94, 737.98 and 199.52 is: 299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.94 : 737.98 = 199.52 : x
  2. Step 2: Convert to fraction form
    491.94/737.98 = 199.52/x
  3. Step 3: Cross multiply
    491.94x = 737.98 × 199.52
  4. Step 4: Simplify right side
    491.94x = 147,241.77
  5. Step 5: Solve for x
    x = 147,241.77/491.94
  6. Step 6: Final answer
    x = 299.31

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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.