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Finding the Fourth Proportional to 512.44, 707.40 and 337.84

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Solution

The fourth proportional to 512.44, 707.40 and 337.84 is: 466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    512.44 : 707.40 = 337.84 : x
  2. Step 2: Convert to fraction form
    512.44/707.40 = 337.84/x
  3. Step 3: Cross multiply
    512.44x = 707.40 × 337.84
  4. Step 4: Simplify right side
    512.44x = 238,988.02
  5. Step 5: Solve for x
    x = 238,988.02/512.44
  6. Step 6: Final answer
    x = 466.37

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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.