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Finding the Fourth Proportional to 482.04, 668.60 and 462.60

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Solution

The fourth proportional to 482.04, 668.60 and 462.60 is: 641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.04 : 668.60 = 462.60 : x
  2. Step 2: Convert to fraction form
    482.04/668.60 = 462.60/x
  3. Step 3: Cross multiply
    482.04x = 668.60 × 462.60
  4. Step 4: Simplify right side
    482.04x = 309,294.36
  5. Step 5: Solve for x
    x = 309,294.36/482.04
  6. Step 6: Final answer
    x = 641.64

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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.