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Finding the Fourth Proportional to 481.23, 720.93 and 237.47

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Solution

The fourth proportional to 481.23, 720.93 and 237.47 is: 355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.23 : 720.93 = 237.47 : x
  2. Step 2: Convert to fraction form
    481.23/720.93 = 237.47/x
  3. Step 3: Cross multiply
    481.23x = 720.93 × 237.47
  4. Step 4: Simplify right side
    481.23x = 171,199.25
  5. Step 5: Solve for x
    x = 171,199.25/481.23
  6. Step 6: Final answer
    x = 355.75

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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.