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Finding the Fourth Proportional to 333.94, 501.24 and 243.12

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Solution

The fourth proportional to 333.94, 501.24 and 243.12 is: 364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.94 : 501.24 = 243.12 : x
  2. Step 2: Convert to fraction form
    333.94/501.24 = 243.12/x
  3. Step 3: Cross multiply
    333.94x = 501.24 × 243.12
  4. Step 4: Simplify right side
    333.94x = 121,861.47
  5. Step 5: Solve for x
    x = 121,861.47/333.94
  6. Step 6: Final answer
    x = 364.92

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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.