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Finding the Fourth Proportional to 439.81, 607.01 and 334.73

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Solution

The fourth proportional to 439.81, 607.01 and 334.73 is: 461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.81 : 607.01 = 334.73 : x
  2. Step 2: Convert to fraction form
    439.81/607.01 = 334.73/x
  3. Step 3: Cross multiply
    439.81x = 607.01 × 334.73
  4. Step 4: Simplify right side
    439.81x = 203,184.46
  5. Step 5: Solve for x
    x = 203,184.46/439.81
  6. Step 6: Final answer
    x = 461.98

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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.