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Finding the Fourth Proportional to 480.17, 662.60 and 270.37

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Solution

The fourth proportional to 480.17, 662.60 and 270.37 is: 373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.17 : 662.60 = 270.37 : x
  2. Step 2: Convert to fraction form
    480.17/662.60 = 270.37/x
  3. Step 3: Cross multiply
    480.17x = 662.60 × 270.37
  4. Step 4: Simplify right side
    480.17x = 179,142.50
  5. Step 5: Solve for x
    x = 179,142.50/480.17
  6. Step 6: Final answer
    x = 373.08

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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.