Finding the Fourth Proportional to 232.61, 320.93 and 170.53
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Solution
The fourth proportional to 232.61, 320.93 and 170.53 is: 235.28
Step by Step Solution
- Step 1: Write the proportion equation
232.61 : 320.93 = 170.53 : x - Step 2: Convert to fraction form
232.61/320.93 = 170.53/x - Step 3: Cross multiply
232.61x = 320.93 × 170.53 - Step 4: Simplify right side
232.61x = 54,728.19 - Step 5: Solve for x
x = 54,728.19/232.61 - Step 6: Final answer
x = 235.28
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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.