Finding the Fourth Proportional to 435.09, 652.62 and 126.93
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Solution
The fourth proportional to 435.09, 652.62 and 126.93 is: 190.39
Step by Step Solution
- Step 1: Write the proportion equation
435.09 : 652.62 = 126.93 : x - Step 2: Convert to fraction form
435.09/652.62 = 126.93/x - Step 3: Cross multiply
435.09x = 652.62 × 126.93 - Step 4: Simplify right side
435.09x = 82,837.06 - Step 5: Solve for x
x = 82,837.06/435.09 - Step 6: Final answer
x = 190.39
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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.