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Finding the Fourth Proportional to 379.86, 567.01 and 333.72

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Solution

The fourth proportional to 379.86, 567.01 and 333.72 is: 498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.86 : 567.01 = 333.72 : x
  2. Step 2: Convert to fraction form
    379.86/567.01 = 333.72/x
  3. Step 3: Cross multiply
    379.86x = 567.01 × 333.72
  4. Step 4: Simplify right side
    379.86x = 189,222.58
  5. Step 5: Solve for x
    x = 189,222.58/379.86
  6. Step 6: Final answer
    x = 498.14

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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.