Finding the Fourth Proportional to 158.92, 219.34 and 93.46
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Solution
The fourth proportional to 158.92, 219.34 and 93.46 is: 128.99
Step by Step Solution
- Step 1: Write the proportion equation
158.92 : 219.34 = 93.46 : x - Step 2: Convert to fraction form
158.92/219.34 = 93.46/x - Step 3: Cross multiply
158.92x = 219.34 × 93.46 - Step 4: Simplify right side
158.92x = 20,499.52 - Step 5: Solve for x
x = 20,499.52/158.92 - Step 6: Final answer
x = 128.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.