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Finding the Fourth Proportional to 481.53, 723.58 and 262.32

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Solution

The fourth proportional to 481.53, 723.58 and 262.32 is: 394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.53 : 723.58 = 262.32 : x
  2. Step 2: Convert to fraction form
    481.53/723.58 = 262.32/x
  3. Step 3: Cross multiply
    481.53x = 723.58 × 262.32
  4. Step 4: Simplify right side
    481.53x = 189,810.16
  5. Step 5: Solve for x
    x = 189,810.16/481.53
  6. Step 6: Final answer
    x = 394.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.