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Finding the Fourth Proportional to 476.92, 660.93 and 468.28

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Solution

The fourth proportional to 476.92, 660.93 and 468.28 is: 648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.92 : 660.93 = 468.28 : x
  2. Step 2: Convert to fraction form
    476.92/660.93 = 468.28/x
  3. Step 3: Cross multiply
    476.92x = 660.93 × 468.28
  4. Step 4: Simplify right side
    476.92x = 309,500.30
  5. Step 5: Solve for x
    x = 309,500.30/476.92
  6. Step 6: Final answer
    x = 648.96

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.