Finding the Fourth Proportional to 836.59, 1,254.27 and 692
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Solution
The fourth proportional to 836.59, 1,254.27 and 692 is: 1,037.49
Step by Step Solution
- Step 1: Write the proportion equation
836.59 : 1,254.27 = 692 : x - Step 2: Convert to fraction form
836.59/1,254.27 = 692/x - Step 3: Cross multiply
836.59x = 1,254.27 × 692 - Step 4: Simplify right side
836.59x = 867,954.84 - Step 5: Solve for x
x = 867,954.84/836.59 - Step 6: Final answer
x = 1,037.49
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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.