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Finding the Fourth Proportional to 466.21, 700.87 and 330.23

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Solution

The fourth proportional to 466.21, 700.87 and 330.23 is: 496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.21 : 700.87 = 330.23 : x
  2. Step 2: Convert to fraction form
    466.21/700.87 = 330.23/x
  3. Step 3: Cross multiply
    466.21x = 700.87 × 330.23
  4. Step 4: Simplify right side
    466.21x = 231,448.30
  5. Step 5: Solve for x
    x = 231,448.30/466.21
  6. Step 6: Final answer
    x = 496.45

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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.