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Finding the Fourth Proportional to 343.36, 473.44 and 232.48

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Solution

The fourth proportional to 343.36, 473.44 and 232.48 is: 320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.36 : 473.44 = 232.48 : x
  2. Step 2: Convert to fraction form
    343.36/473.44 = 232.48/x
  3. Step 3: Cross multiply
    343.36x = 473.44 × 232.48
  4. Step 4: Simplify right side
    343.36x = 110,065.33
  5. Step 5: Solve for x
    x = 110,065.33/343.36
  6. Step 6: Final answer
    x = 320.55

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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.