Finding the Fourth Proportional to 213.24, 293.94 and 135.48
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Solution
The fourth proportional to 213.24, 293.94 and 135.48 is: 186.75
Step by Step Solution
- Step 1: Write the proportion equation
213.24 : 293.94 = 135.48 : x - Step 2: Convert to fraction form
213.24/293.94 = 135.48/x - Step 3: Cross multiply
213.24x = 293.94 × 135.48 - Step 4: Simplify right side
213.24x = 39,822.99 - Step 5: Solve for x
x = 39,822.99/213.24 - Step 6: Final answer
x = 186.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.