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Finding the Fourth Proportional to 480.04, 665.83 and 460.60

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Solution

The fourth proportional to 480.04, 665.83 and 460.60 is: 638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.04 : 665.83 = 460.60 : x
  2. Step 2: Convert to fraction form
    480.04/665.83 = 460.60/x
  3. Step 3: Cross multiply
    480.04x = 665.83 × 460.60
  4. Step 4: Simplify right side
    480.04x = 306,681.30
  5. Step 5: Solve for x
    x = 306,681.30/480.04
  6. Step 6: Final answer
    x = 638.87

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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.