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Finding the Fourth Proportional to 333.49, 500.04 and 127.83

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Solution

The fourth proportional to 333.49, 500.04 and 127.83 is: 191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.49 : 500.04 = 127.83 : x
  2. Step 2: Convert to fraction form
    333.49/500.04 = 127.83/x
  3. Step 3: Cross multiply
    333.49x = 500.04 × 127.83
  4. Step 4: Simplify right side
    333.49x = 63,920.11
  5. Step 5: Solve for x
    x = 63,920.11/333.49
  6. Step 6: Final answer
    x = 191.67

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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.