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Finding the Fourth Proportional to 362.03, 499.67 and 212.67

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Solution

The fourth proportional to 362.03, 499.67 and 212.67 is: 293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.03 : 499.67 = 212.67 : x
  2. Step 2: Convert to fraction form
    362.03/499.67 = 212.67/x
  3. Step 3: Cross multiply
    362.03x = 499.67 × 212.67
  4. Step 4: Simplify right side
    362.03x = 106,263.76
  5. Step 5: Solve for x
    x = 106,263.76/362.03
  6. Step 6: Final answer
    x = 293.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.