Finding the Fourth Proportional to 225.20, 337.88 and 117.08
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Solution
The fourth proportional to 225.20, 337.88 and 117.08 is: 175.66
Step by Step Solution
- Step 1: Write the proportion equation
225.20 : 337.88 = 117.08 : x - Step 2: Convert to fraction form
225.20/337.88 = 117.08/x - Step 3: Cross multiply
225.20x = 337.88 × 117.08 - Step 4: Simplify right side
225.20x = 39,558.99 - Step 5: Solve for x
x = 39,558.99/225.20 - Step 6: Final answer
x = 175.66
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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.