Finding the Fourth Proportional to 434.74, 652.26 and 272.23
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Solution
The fourth proportional to 434.74, 652.26 and 272.23 is: 408.44
Step by Step Solution
- Step 1: Write the proportion equation
434.74 : 652.26 = 272.23 : x - Step 2: Convert to fraction form
434.74/652.26 = 272.23/x - Step 3: Cross multiply
434.74x = 652.26 × 272.23 - Step 4: Simplify right side
434.74x = 177,564.74 - Step 5: Solve for x
x = 177,564.74/434.74 - Step 6: Final answer
x = 408.44
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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.