Finding the Fourth Proportional to 836.19, 1,252.26 and 652.05
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Solution
The fourth proportional to 836.19, 1,252.26 and 652.05 is: 976.50
Step by Step Solution
- Step 1: Write the proportion equation
836.19 : 1,252.26 = 652.05 : x - Step 2: Convert to fraction form
836.19/1,252.26 = 652.05/x - Step 3: Cross multiply
836.19x = 1,252.26 × 652.05 - Step 4: Simplify right side
836.19x = 816,536.13 - Step 5: Solve for x
x = 816,536.13/836.19 - Step 6: Final answer
x = 976.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.