Finding the Fourth Proportional to 177.93, 266.91 and 49.68
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Solution
The fourth proportional to 177.93, 266.91 and 49.68 is: 74.52
Step by Step Solution
- Step 1: Write the proportion equation
177.93 : 266.91 = 49.68 : x - Step 2: Convert to fraction form
177.93/266.91 = 49.68/x - Step 3: Cross multiply
177.93x = 266.91 × 49.68 - Step 4: Simplify right side
177.93x = 13,260.09 - Step 5: Solve for x
x = 13,260.09/177.93 - Step 6: Final answer
x = 74.52
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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.