Finding the Fourth Proportional to 176.24, 243.08 and 110.70
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Solution
The fourth proportional to 176.24, 243.08 and 110.70 is: 152.68
Step by Step Solution
- Step 1: Write the proportion equation
176.24 : 243.08 = 110.70 : x - Step 2: Convert to fraction form
176.24/243.08 = 110.70/x - Step 3: Cross multiply
176.24x = 243.08 × 110.70 - Step 4: Simplify right side
176.24x = 26,908.96 - Step 5: Solve for x
x = 26,908.96/176.24 - Step 6: Final answer
x = 152.68
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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.