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Finding the Fourth Proportional to 480.02, 662.46 and 414.68

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Solution

The fourth proportional to 480.02, 662.46 and 414.68 is: 572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.02 : 662.46 = 414.68 : x
  2. Step 2: Convert to fraction form
    480.02/662.46 = 414.68/x
  3. Step 3: Cross multiply
    480.02x = 662.46 × 414.68
  4. Step 4: Simplify right side
    480.02x = 274,708.91
  5. Step 5: Solve for x
    x = 274,708.91/480.02
  6. Step 6: Final answer
    x = 572.29

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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.