Finding the Fourth Proportional to 235.19, 324.36 and 152.26
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Solution
The fourth proportional to 235.19, 324.36 and 152.26 is: 209.98
Step by Step Solution
- Step 1: Write the proportion equation
235.19 : 324.36 = 152.26 : x - Step 2: Convert to fraction form
235.19/324.36 = 152.26/x - Step 3: Cross multiply
235.19x = 324.36 × 152.26 - Step 4: Simplify right side
235.19x = 49,386.24 - Step 5: Solve for x
x = 49,386.24/235.19 - Step 6: Final answer
x = 209.98
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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.