Finding the Fourth Proportional to 235.13, 324.26 and 152.15
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Solution
The fourth proportional to 235.13, 324.26 and 152.15 is: 209.83
Step by Step Solution
- Step 1: Write the proportion equation
235.13 : 324.26 = 152.15 : x - Step 2: Convert to fraction form
235.13/324.26 = 152.15/x - Step 3: Cross multiply
235.13x = 324.26 × 152.15 - Step 4: Simplify right side
235.13x = 49,336.13 - Step 5: Solve for x
x = 49,336.13/235.13 - Step 6: Final answer
x = 209.83
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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.