Finding the Fourth Proportional to 175.17, 262.40 and 102.99
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Solution
The fourth proportional to 175.17, 262.40 and 102.99 is: 154.27
Step by Step Solution
- Step 1: Write the proportion equation
175.17 : 262.40 = 102.99 : x - Step 2: Convert to fraction form
175.17/262.40 = 102.99/x - Step 3: Cross multiply
175.17x = 262.40 × 102.99 - Step 4: Simplify right side
175.17x = 27,024.06 - Step 5: Solve for x
x = 27,024.06/175.17 - Step 6: Final answer
x = 154.27
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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.