Finding the Fourth Proportional to 176.21, 264.44 and 135.80
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Solution
The fourth proportional to 176.21, 264.44 and 135.80 is: 203.80
Step by Step Solution
- Step 1: Write the proportion equation
176.21 : 264.44 = 135.80 : x - Step 2: Convert to fraction form
176.21/264.44 = 135.80/x - Step 3: Cross multiply
176.21x = 264.44 × 135.80 - Step 4: Simplify right side
176.21x = 35,909.97 - Step 5: Solve for x
x = 35,909.97/176.21 - Step 6: Final answer
x = 203.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.