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Finding the Fourth Proportional to 347.62, 519.39 and 335.51

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Solution

The fourth proportional to 347.62, 519.39 and 335.51 is: 501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.62 : 519.39 = 335.51 : x
  2. Step 2: Convert to fraction form
    347.62/519.39 = 335.51/x
  3. Step 3: Cross multiply
    347.62x = 519.39 × 335.51
  4. Step 4: Simplify right side
    347.62x = 174,258.86
  5. Step 5: Solve for x
    x = 174,258.86/347.62
  6. Step 6: Final answer
    x = 501.30

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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.