Finding the Fourth Proportional to 528.08, 792.14 and 198.99
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Solution
The fourth proportional to 528.08, 792.14 and 198.99 is: 298.49
Step by Step Solution
- Step 1: Write the proportion equation
528.08 : 792.14 = 198.99 : x - Step 2: Convert to fraction form
528.08/792.14 = 198.99/x - Step 3: Cross multiply
528.08x = 792.14 × 198.99 - Step 4: Simplify right side
528.08x = 157,623.98 - Step 5: Solve for x
x = 157,623.98/528.08 - Step 6: Final answer
x = 298.49
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Similar ratio
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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.