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Finding the Fourth Proportional to 466.50, 644.16 and 444.60

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Solution

The fourth proportional to 466.50, 644.16 and 444.60 is: 613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.50 : 644.16 = 444.60 : x
  2. Step 2: Convert to fraction form
    466.50/644.16 = 444.60/x
  3. Step 3: Cross multiply
    466.50x = 644.16 × 444.60
  4. Step 4: Simplify right side
    466.50x = 286,393.54
  5. Step 5: Solve for x
    x = 286,393.54/466.50
  6. Step 6: Final answer
    x = 613.92

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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.