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Finding the Fourth Proportional to 340.29, 506.45 and 336.96

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Solution

The fourth proportional to 340.29, 506.45 and 336.96 is: 501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.29 : 506.45 = 336.96 : x
  2. Step 2: Convert to fraction form
    340.29/506.45 = 336.96/x
  3. Step 3: Cross multiply
    340.29x = 506.45 × 336.96
  4. Step 4: Simplify right side
    340.29x = 170,654.23
  5. Step 5: Solve for x
    x = 170,654.23/340.29
  6. Step 6: Final answer
    x = 501.50

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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.