Finding the Fourth Proportional to 199.84, 275.18 and 174.94
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Solution
The fourth proportional to 199.84, 275.18 and 174.94 is: 240.89
Step by Step Solution
- Step 1: Write the proportion equation
199.84 : 275.18 = 174.94 : x - Step 2: Convert to fraction form
199.84/275.18 = 174.94/x - Step 3: Cross multiply
199.84x = 275.18 × 174.94 - Step 4: Simplify right side
199.84x = 48,139.99 - Step 5: Solve for x
x = 48,139.99/199.84 - Step 6: Final answer
x = 240.89
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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.