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Finding the Fourth Proportional to 343.00, 473.46 and 203.16

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Solution

The fourth proportional to 343.00, 473.46 and 203.16 is: 280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.00 : 473.46 = 203.16 : x
  2. Step 2: Convert to fraction form
    343.00/473.46 = 203.16/x
  3. Step 3: Cross multiply
    343.00x = 473.46 × 203.16
  4. Step 4: Simplify right side
    343.00x = 96,189.62
  5. Step 5: Solve for x
    x = 96,189.62/343.00
  6. Step 6: Final answer
    x = 280.44

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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.