Finding the Fourth Proportional to 175.63, 242.34 and 131.89
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Solution
The fourth proportional to 175.63, 242.34 and 131.89 is: 181.99
Step by Step Solution
- Step 1: Write the proportion equation
175.63 : 242.34 = 131.89 : x - Step 2: Convert to fraction form
175.63/242.34 = 131.89/x - Step 3: Cross multiply
175.63x = 242.34 × 131.89 - Step 4: Simplify right side
175.63x = 31,962.22 - Step 5: Solve for x
x = 31,962.22/175.63 - Step 6: Final answer
x = 181.99
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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.