Finding the Fourth Proportional to 177.99, 245.36 and 122.63
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Solution
The fourth proportional to 177.99, 245.36 and 122.63 is: 169.05
Step by Step Solution
- Step 1: Write the proportion equation
177.99 : 245.36 = 122.63 : x - Step 2: Convert to fraction form
177.99/245.36 = 122.63/x - Step 3: Cross multiply
177.99x = 245.36 × 122.63 - Step 4: Simplify right side
177.99x = 30,089.42 - Step 5: Solve for x
x = 30,089.42/177.99 - Step 6: Final answer
x = 169.05
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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.