Finding the Fourth Proportional to 434.84, 652.10 and 126.63
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Solution
The fourth proportional to 434.84, 652.10 and 126.63 is: 189.90
Step by Step Solution
- Step 1: Write the proportion equation
434.84 : 652.10 = 126.63 : x - Step 2: Convert to fraction form
434.84/652.10 = 126.63/x - Step 3: Cross multiply
434.84x = 652.10 × 126.63 - Step 4: Simplify right side
434.84x = 82,574.79 - Step 5: Solve for x
x = 82,574.79/434.84 - Step 6: Final answer
x = 189.90
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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.