Finding the Fourth Proportional to 199.02, 274.68 and 193.08
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Solution
The fourth proportional to 199.02, 274.68 and 193.08 is: 266.48
Step by Step Solution
- Step 1: Write the proportion equation
199.02 : 274.68 = 193.08 : x - Step 2: Convert to fraction form
199.02/274.68 = 193.08/x - Step 3: Cross multiply
199.02x = 274.68 × 193.08 - Step 4: Simplify right side
199.02x = 53,035.21 - Step 5: Solve for x
x = 53,035.21/199.02 - Step 6: Final answer
x = 266.48
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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.