Finding the Fourth Proportional to 435.18, 652.36 and 161.09
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Solution
The fourth proportional to 435.18, 652.36 and 161.09 is: 241.47
Step by Step Solution
- Step 1: Write the proportion equation
435.18 : 652.36 = 161.09 : x - Step 2: Convert to fraction form
435.18/652.36 = 161.09/x - Step 3: Cross multiply
435.18x = 652.36 × 161.09 - Step 4: Simplify right side
435.18x = 105,085.01 - Step 5: Solve for x
x = 105,085.01/435.18 - Step 6: Final answer
x = 241.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.