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Finding the Fourth Proportional to 369.93, 556.94 and 326.84

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Solution

The fourth proportional to 369.93, 556.94 and 326.84 is: 492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.93 : 556.94 = 326.84 : x
  2. Step 2: Convert to fraction form
    369.93/556.94 = 326.84/x
  3. Step 3: Cross multiply
    369.93x = 556.94 × 326.84
  4. Step 4: Simplify right side
    369.93x = 182,031.09
  5. Step 5: Solve for x
    x = 182,031.09/369.93
  6. Step 6: Final answer
    x = 492.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.