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Finding the Fourth Proportional to 480.01, 662.70 and 369.27

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Solution

The fourth proportional to 480.01, 662.70 and 369.27 is: 509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.01 : 662.70 = 369.27 : x
  2. Step 2: Convert to fraction form
    480.01/662.70 = 369.27/x
  3. Step 3: Cross multiply
    480.01x = 662.70 × 369.27
  4. Step 4: Simplify right side
    480.01x = 244,715.23
  5. Step 5: Solve for x
    x = 244,715.23/480.01
  6. Step 6: Final answer
    x = 509.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.