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Finding the Fourth Proportional to 333.69, 502.98 and 305.97

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Solution

The fourth proportional to 333.69, 502.98 and 305.97 is: 461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.69 : 502.98 = 305.97 : x
  2. Step 2: Convert to fraction form
    333.69/502.98 = 305.97/x
  3. Step 3: Cross multiply
    333.69x = 502.98 × 305.97
  4. Step 4: Simplify right side
    333.69x = 153,896.79
  5. Step 5: Solve for x
    x = 153,896.79/333.69
  6. Step 6: Final answer
    x = 461.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.