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Finding the Fourth Proportional to 466.82, 644.14 and 301.25

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Solution

The fourth proportional to 466.82, 644.14 and 301.25 is: 415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.82 : 644.14 = 301.25 : x
  2. Step 2: Convert to fraction form
    466.82/644.14 = 301.25/x
  3. Step 3: Cross multiply
    466.82x = 644.14 × 301.25
  4. Step 4: Simplify right side
    466.82x = 194,047.18
  5. Step 5: Solve for x
    x = 194,047.18/466.82
  6. Step 6: Final answer
    x = 415.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.