Finding the Fourth Proportional to 833.28, 1,246.68 and 558.06
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Solution
The fourth proportional to 833.28, 1,246.68 and 558.06 is: 834.92
Step by Step Solution
- Step 1: Write the proportion equation
833.28 : 1,246.68 = 558.06 : x - Step 2: Convert to fraction form
833.28/1,246.68 = 558.06/x - Step 3: Cross multiply
833.28x = 1,246.68 × 558.06 - Step 4: Simplify right side
833.28x = 695,722.24 - Step 5: Solve for x
x = 695,722.24/833.28 - Step 6: Final answer
x = 834.92
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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.