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Finding the Fourth Proportional to 468.21, 701.94 and 321.52

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Solution

The fourth proportional to 468.21, 701.94 and 321.52 is: 482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.21 : 701.94 = 321.52 : x
  2. Step 2: Convert to fraction form
    468.21/701.94 = 321.52/x
  3. Step 3: Cross multiply
    468.21x = 701.94 × 321.52
  4. Step 4: Simplify right side
    468.21x = 225,684.24
  5. Step 5: Solve for x
    x = 225,684.24/468.21
  6. Step 6: Final answer
    x = 482.01

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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.