Finding the Fourth Proportional to 235.24, 324.57 and 136.94
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Solution
The fourth proportional to 235.24, 324.57 and 136.94 is: 188.94
Step by Step Solution
- Step 1: Write the proportion equation
235.24 : 324.57 = 136.94 : x - Step 2: Convert to fraction form
235.24/324.57 = 136.94/x - Step 3: Cross multiply
235.24x = 324.57 × 136.94 - Step 4: Simplify right side
235.24x = 44,444.99 - Step 5: Solve for x
x = 44,444.99/235.24 - Step 6: Final answer
x = 188.94
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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.