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Finding the Fourth Proportional to 444.60, 662.22 and 442.62

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Solution

The fourth proportional to 444.60, 662.22 and 442.62 is: 659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.60 : 662.22 = 442.62 : x
  2. Step 2: Convert to fraction form
    444.60/662.22 = 442.62/x
  3. Step 3: Cross multiply
    444.60x = 662.22 × 442.62
  4. Step 4: Simplify right side
    444.60x = 293,111.82
  5. Step 5: Solve for x
    x = 293,111.82/444.60
  6. Step 6: Final answer
    x = 659.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.