Finding the Fourth Proportional to 277.81, 383.36 and 167.26
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Solution
The fourth proportional to 277.81, 383.36 and 167.26 is: 230.81
Step by Step Solution
- Step 1: Write the proportion equation
277.81 : 383.36 = 167.26 : x - Step 2: Convert to fraction form
277.81/383.36 = 167.26/x - Step 3: Cross multiply
277.81x = 383.36 × 167.26 - Step 4: Simplify right side
277.81x = 64,121.13 - Step 5: Solve for x
x = 64,121.13/277.81 - Step 6: Final answer
x = 230.81
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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.