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Finding the Fourth Proportional to 333.09, 499.64 and 116.67

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Solution

The fourth proportional to 333.09, 499.64 and 116.67 is: 175.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.09 : 499.64 = 116.67 : x
  2. Step 2: Convert to fraction form
    333.09/499.64 = 116.67/x
  3. Step 3: Cross multiply
    333.09x = 499.64 × 116.67
  4. Step 4: Simplify right side
    333.09x = 58,292.42
  5. Step 5: Solve for x
    x = 58,292.42/333.09
  6. Step 6: Final answer
    x = 175.01

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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.