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Finding the Fourth Proportional to 548.04, 756.42 and 341

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Solution

The fourth proportional to 548.04, 756.42 and 341 is: 470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.04 : 756.42 = 341 : x
  2. Step 2: Convert to fraction form
    548.04/756.42 = 341/x
  3. Step 3: Cross multiply
    548.04x = 756.42 × 341
  4. Step 4: Simplify right side
    548.04x = 257,939.22
  5. Step 5: Solve for x
    x = 257,939.22/548.04
  6. Step 6: Final answer
    x = 470.66

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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.