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Finding the Fourth Proportional to 483.05, 666.41 and 359.01

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Solution

The fourth proportional to 483.05, 666.41 and 359.01 is: 495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.05 : 666.41 = 359.01 : x
  2. Step 2: Convert to fraction form
    483.05/666.41 = 359.01/x
  3. Step 3: Cross multiply
    483.05x = 666.41 × 359.01
  4. Step 4: Simplify right side
    483.05x = 239,246.06
  5. Step 5: Solve for x
    x = 239,246.06/483.05
  6. Step 6: Final answer
    x = 495.29

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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.