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Finding the Fourth Proportional to 492.84, 737.82 and 299.88

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Solution

The fourth proportional to 492.84, 737.82 and 299.88 is: 448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.84 : 737.82 = 299.88 : x
  2. Step 2: Convert to fraction form
    492.84/737.82 = 299.88/x
  3. Step 3: Cross multiply
    492.84x = 737.82 × 299.88
  4. Step 4: Simplify right side
    492.84x = 221,257.46
  5. Step 5: Solve for x
    x = 221,257.46/492.84
  6. Step 6: Final answer
    x = 448.94

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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.