Finding the Fourth Proportional to 194.63, 292.14 and 139.95
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Solution
The fourth proportional to 194.63, 292.14 and 139.95 is: 210.07
Step by Step Solution
- Step 1: Write the proportion equation
194.63 : 292.14 = 139.95 : x - Step 2: Convert to fraction form
194.63/292.14 = 139.95/x - Step 3: Cross multiply
194.63x = 292.14 × 139.95 - Step 4: Simplify right side
194.63x = 40,884.99 - Step 5: Solve for x
x = 40,884.99/194.63 - Step 6: Final answer
x = 210.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.