Finding the Fourth Proportional to 235.74, 324.99 and 177.42
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Solution
The fourth proportional to 235.74, 324.99 and 177.42 is: 244.59
Step by Step Solution
- Step 1: Write the proportion equation
235.74 : 324.99 = 177.42 : x - Step 2: Convert to fraction form
235.74/324.99 = 177.42/x - Step 3: Cross multiply
235.74x = 324.99 × 177.42 - Step 4: Simplify right side
235.74x = 57,659.73 - Step 5: Solve for x
x = 57,659.73/235.74 - Step 6: Final answer
x = 244.59
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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.