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Finding the Fourth Proportional to 336.52, 502.01 and 328.84

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Solution

The fourth proportional to 336.52, 502.01 and 328.84 is: 490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.52 : 502.01 = 328.84 : x
  2. Step 2: Convert to fraction form
    336.52/502.01 = 328.84/x
  3. Step 3: Cross multiply
    336.52x = 502.01 × 328.84
  4. Step 4: Simplify right side
    336.52x = 165,080.97
  5. Step 5: Solve for x
    x = 165,080.97/336.52
  6. Step 6: Final answer
    x = 490.55

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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.