Finding the Fourth Proportional to 544.19, 816.26 and 133.31
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Solution
The fourth proportional to 544.19, 816.26 and 133.31 is: 199.96
Step by Step Solution
- Step 1: Write the proportion equation
544.19 : 816.26 = 133.31 : x - Step 2: Convert to fraction form
544.19/816.26 = 133.31/x - Step 3: Cross multiply
544.19x = 816.26 × 133.31 - Step 4: Simplify right side
544.19x = 108,816.99 - Step 5: Solve for x
x = 108,816.99/544.19 - Step 6: Final answer
x = 199.96
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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.