Finding the Fourth Proportional to 196.41, 294.68 and 192.31
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Solution
The fourth proportional to 196.41, 294.68 and 192.31 is: 288.53
Step by Step Solution
- Step 1: Write the proportion equation
196.41 : 294.68 = 192.31 : x - Step 2: Convert to fraction form
196.41/294.68 = 192.31/x - Step 3: Cross multiply
196.41x = 294.68 × 192.31 - Step 4: Simplify right side
196.41x = 56,669.91 - Step 5: Solve for x
x = 56,669.91/196.41 - Step 6: Final answer
x = 288.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.