Finding the Fourth Proportional to 177.25, 265.93 and 74.52
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Solution
The fourth proportional to 177.25, 265.93 and 74.52 is: 111.80
Step by Step Solution
- Step 1: Write the proportion equation
177.25 : 265.93 = 74.52 : x - Step 2: Convert to fraction form
177.25/265.93 = 74.52/x - Step 3: Cross multiply
177.25x = 265.93 × 74.52 - Step 4: Simplify right side
177.25x = 19,817.10 - Step 5: Solve for x
x = 19,817.10/177.25 - Step 6: Final answer
x = 111.80
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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.