Finding the Fourth Proportional to 183.44, 253.14 and 109.79
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Solution
The fourth proportional to 183.44, 253.14 and 109.79 is: 151.51
Step by Step Solution
- Step 1: Write the proportion equation
183.44 : 253.14 = 109.79 : x - Step 2: Convert to fraction form
183.44/253.14 = 109.79/x - Step 3: Cross multiply
183.44x = 253.14 × 109.79 - Step 4: Simplify right side
183.44x = 27,792.24 - Step 5: Solve for x
x = 27,792.24/183.44 - Step 6: Final answer
x = 151.51
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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.