Finding the Fourth Proportional to 235.28, 350.93 and 202.40
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Solution
The fourth proportional to 235.28, 350.93 and 202.40 is: 301.89
Step by Step Solution
- Step 1: Write the proportion equation
235.28 : 350.93 = 202.40 : x - Step 2: Convert to fraction form
235.28/350.93 = 202.40/x - Step 3: Cross multiply
235.28x = 350.93 × 202.40 - Step 4: Simplify right side
235.28x = 71,028.23 - Step 5: Solve for x
x = 71,028.23/235.28 - Step 6: Final answer
x = 301.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.