Finding the Fourth Proportional to 434.68, 652.11 and 126.54
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Solution
The fourth proportional to 434.68, 652.11 and 126.54 is: 189.84
Step by Step Solution
- Step 1: Write the proportion equation
434.68 : 652.11 = 126.54 : x - Step 2: Convert to fraction form
434.68/652.11 = 126.54/x - Step 3: Cross multiply
434.68x = 652.11 × 126.54 - Step 4: Simplify right side
434.68x = 82,518.24 - Step 5: Solve for x
x = 82,518.24/434.68 - Step 6: Final answer
x = 189.84
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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.