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Finding the Fourth Proportional to 467.25, 644.95 and 301.46

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Solution

The fourth proportional to 467.25, 644.95 and 301.46 is: 416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.25 : 644.95 = 301.46 : x
  2. Step 2: Convert to fraction form
    467.25/644.95 = 301.46/x
  3. Step 3: Cross multiply
    467.25x = 644.95 × 301.46
  4. Step 4: Simplify right side
    467.25x = 194,426.63
  5. Step 5: Solve for x
    x = 194,426.63/467.25
  6. Step 6: Final answer
    x = 416.11

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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.