Finding the Fourth Proportional to 558.28, 836.12 and 283.70
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Solution
The fourth proportional to 558.28, 836.12 and 283.70 is: 424.89
Step by Step Solution
- Step 1: Write the proportion equation
558.28 : 836.12 = 283.70 : x - Step 2: Convert to fraction form
558.28/836.12 = 283.70/x - Step 3: Cross multiply
558.28x = 836.12 × 283.70 - Step 4: Simplify right side
558.28x = 237,207.24 - Step 5: Solve for x
x = 237,207.24/558.28 - Step 6: Final answer
x = 424.89
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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.