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Finding the Fourth Proportional to 481.08, 660.03 and 468.84

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Solution

The fourth proportional to 481.08, 660.03 and 468.84 is: 643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.08 : 660.03 = 468.84 : x
  2. Step 2: Convert to fraction form
    481.08/660.03 = 468.84/x
  3. Step 3: Cross multiply
    481.08x = 660.03 × 468.84
  4. Step 4: Simplify right side
    481.08x = 309,448.47
  5. Step 5: Solve for x
    x = 309,448.47/481.08
  6. Step 6: Final answer
    x = 643.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.