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Finding the Fourth Proportional to 347.08, 519.80 and 202.92

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Solution

The fourth proportional to 347.08, 519.80 and 202.92 is: 303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.08 : 519.80 = 202.92 : x
  2. Step 2: Convert to fraction form
    347.08/519.80 = 202.92/x
  3. Step 3: Cross multiply
    347.08x = 519.80 × 202.92
  4. Step 4: Simplify right side
    347.08x = 105,477.82
  5. Step 5: Solve for x
    x = 105,477.82/347.08
  6. Step 6: Final answer
    x = 303.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.