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Finding the Fourth Proportional to 347.77, 519.33 and 327.52

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Solution

The fourth proportional to 347.77, 519.33 and 327.52 is: 489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.77 : 519.33 = 327.52 : x
  2. Step 2: Convert to fraction form
    347.77/519.33 = 327.52/x
  3. Step 3: Cross multiply
    347.77x = 519.33 × 327.52
  4. Step 4: Simplify right side
    347.77x = 170,090.89
  5. Step 5: Solve for x
    x = 170,090.89/347.77
  6. Step 6: Final answer
    x = 489.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.