Finding the Fourth Proportional to 248.48, 372.77 and 132.99
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Solution
The fourth proportional to 248.48, 372.77 and 132.99 is: 199.51
Step by Step Solution
- Step 1: Write the proportion equation
248.48 : 372.77 = 132.99 : x - Step 2: Convert to fraction form
248.48/372.77 = 132.99/x - Step 3: Cross multiply
248.48x = 372.77 × 132.99 - Step 4: Simplify right side
248.48x = 49,574.68 - Step 5: Solve for x
x = 49,574.68/248.48 - Step 6: Final answer
x = 199.51
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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.