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Finding the Fourth Proportional to 483.02, 666.06 and 327.50

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Solution

The fourth proportional to 483.02, 666.06 and 327.50 is: 451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.02 : 666.06 = 327.50 : x
  2. Step 2: Convert to fraction form
    483.02/666.06 = 327.50/x
  3. Step 3: Cross multiply
    483.02x = 666.06 × 327.50
  4. Step 4: Simplify right side
    483.02x = 218,134.65
  5. Step 5: Solve for x
    x = 218,134.65/483.02
  6. Step 6: Final answer
    x = 451.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.