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Finding the Fourth Proportional to 333.76, 498.11 and 325.12

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Solution

The fourth proportional to 333.76, 498.11 and 325.12 is: 485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.76 : 498.11 = 325.12 : x
  2. Step 2: Convert to fraction form
    333.76/498.11 = 325.12/x
  3. Step 3: Cross multiply
    333.76x = 498.11 × 325.12
  4. Step 4: Simplify right side
    333.76x = 161,945.52
  5. Step 5: Solve for x
    x = 161,945.52/333.76
  6. Step 6: Final answer
    x = 485.22

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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.