Finding the Fourth Proportional to 235.99, 325.67 and 142.77
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Solution
The fourth proportional to 235.99, 325.67 and 142.77 is: 197.02
Step by Step Solution
- Step 1: Write the proportion equation
235.99 : 325.67 = 142.77 : x - Step 2: Convert to fraction form
235.99/325.67 = 142.77/x - Step 3: Cross multiply
235.99x = 325.67 × 142.77 - Step 4: Simplify right side
235.99x = 46,495.91 - Step 5: Solve for x
x = 46,495.91/235.99 - Step 6: Final answer
x = 197.02
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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.