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Finding the Fourth Proportional to 468.37, 701.76 and 331.15

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Solution

The fourth proportional to 468.37, 701.76 and 331.15 is: 496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.37 : 701.76 = 331.15 : x
  2. Step 2: Convert to fraction form
    468.37/701.76 = 331.15/x
  3. Step 3: Cross multiply
    468.37x = 701.76 × 331.15
  4. Step 4: Simplify right side
    468.37x = 232,386.17
  5. Step 5: Solve for x
    x = 232,386.17/468.37
  6. Step 6: Final answer
    x = 496.16

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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.