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Finding the Fourth Proportional to 351, 524.04 and 299.67

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Solution

The fourth proportional to 351, 524.04 and 299.67 is: 447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351 : 524.04 = 299.67 : x
  2. Step 2: Convert to fraction form
    351/524.04 = 299.67/x
  3. Step 3: Cross multiply
    351x = 524.04 × 299.67
  4. Step 4: Simplify right side
    351x = 157,035.98
  5. Step 5: Solve for x
    x = 157,035.98/351
  6. Step 6: Final answer
    x = 447.40

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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.