Finding the Fourth Proportional to 214.94, 323.99 and 202.39
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Solution
The fourth proportional to 214.94, 323.99 and 202.39 is: 305.09
Step by Step Solution
- Step 1: Write the proportion equation
214.94 : 323.99 = 202.39 : x - Step 2: Convert to fraction form
214.94/323.99 = 202.39/x - Step 3: Cross multiply
214.94x = 323.99 × 202.39 - Step 4: Simplify right side
214.94x = 65,574.12 - Step 5: Solve for x
x = 65,574.12/214.94 - Step 6: Final answer
x = 305.09
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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.