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Finding the Fourth Proportional to 467.01, 644.31 and 270.50

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Solution

The fourth proportional to 467.01, 644.31 and 270.50 is: 373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.01 : 644.31 = 270.50 : x
  2. Step 2: Convert to fraction form
    467.01/644.31 = 270.50/x
  3. Step 3: Cross multiply
    467.01x = 644.31 × 270.50
  4. Step 4: Simplify right side
    467.01x = 174,282.63
  5. Step 5: Solve for x
    x = 174,282.63/467.01
  6. Step 6: Final answer
    x = 373.19

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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.