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Finding the Fourth Proportional to 543.88, 750.95 and 334.34

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Solution

The fourth proportional to 543.88, 750.95 and 334.34 is: 461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.88 : 750.95 = 334.34 : x
  2. Step 2: Convert to fraction form
    543.88/750.95 = 334.34/x
  3. Step 3: Cross multiply
    543.88x = 750.95 × 334.34
  4. Step 4: Simplify right side
    543.88x = 251,072.44
  5. Step 5: Solve for x
    x = 251,072.44/543.88
  6. Step 6: Final answer
    x = 461.63

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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.