Finding the Fourth Proportional to 177.74, 267.66 and 155.19
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Solution
The fourth proportional to 177.74, 267.66 and 155.19 is: 233.70
Step by Step Solution
- Step 1: Write the proportion equation
177.74 : 267.66 = 155.19 : x - Step 2: Convert to fraction form
177.74/267.66 = 155.19/x - Step 3: Cross multiply
177.74x = 267.66 × 155.19 - Step 4: Simplify right side
177.74x = 41,537.38 - Step 5: Solve for x
x = 41,537.38/177.74 - Step 6: Final answer
x = 233.70
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.