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Finding the Fourth Proportional to 467.36, 644.27 and 301.51

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Solution

The fourth proportional to 467.36, 644.27 and 301.51 is: 415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.36 : 644.27 = 301.51 : x
  2. Step 2: Convert to fraction form
    467.36/644.27 = 301.51/x
  3. Step 3: Cross multiply
    467.36x = 644.27 × 301.51
  4. Step 4: Simplify right side
    467.36x = 194,253.85
  5. Step 5: Solve for x
    x = 194,253.85/467.36
  6. Step 6: Final answer
    x = 415.64

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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.