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Finding the Fourth Proportional to 444.80, 665.64 and 336.08

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Solution

The fourth proportional to 444.80, 665.64 and 336.08 is: 502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.80 : 665.64 = 336.08 : x
  2. Step 2: Convert to fraction form
    444.80/665.64 = 336.08/x
  3. Step 3: Cross multiply
    444.80x = 665.64 × 336.08
  4. Step 4: Simplify right side
    444.80x = 223,708.29
  5. Step 5: Solve for x
    x = 223,708.29/444.80
  6. Step 6: Final answer
    x = 502.94

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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.