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Finding the Fourth Proportional to 483.23, 666.85 and 262.18

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Solution

The fourth proportional to 483.23, 666.85 and 262.18 is: 361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.23 : 666.85 = 262.18 : x
  2. Step 2: Convert to fraction form
    483.23/666.85 = 262.18/x
  3. Step 3: Cross multiply
    483.23x = 666.85 × 262.18
  4. Step 4: Simplify right side
    483.23x = 174,832.39
  5. Step 5: Solve for x
    x = 174,832.39/483.23
  6. Step 6: Final answer
    x = 361.80

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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.