Finding the Fourth Proportional to 248.91, 343.11 and 202.06
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Solution
The fourth proportional to 248.91, 343.11 and 202.06 is: 278.53
Step by Step Solution
- Step 1: Write the proportion equation
248.91 : 343.11 = 202.06 : x - Step 2: Convert to fraction form
248.91/343.11 = 202.06/x - Step 3: Cross multiply
248.91x = 343.11 × 202.06 - Step 4: Simplify right side
248.91x = 69,328.81 - Step 5: Solve for x
x = 69,328.81/248.91 - Step 6: Final answer
x = 278.53
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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.