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Finding the Fourth Proportional to 381.03, 573.60 and 347.01

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Solution

The fourth proportional to 381.03, 573.60 and 347.01 is: 522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.03 : 573.60 = 347.01 : x
  2. Step 2: Convert to fraction form
    381.03/573.60 = 347.01/x
  3. Step 3: Cross multiply
    381.03x = 573.60 × 347.01
  4. Step 4: Simplify right side
    381.03x = 199,044.94
  5. Step 5: Solve for x
    x = 199,044.94/381.03
  6. Step 6: Final answer
    x = 522.39

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Find fourth proportional to 190.52, 286.80 and 173.51
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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.