Finding the Fourth Proportional to 219.84, 303.36 and 170.68
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Solution
The fourth proportional to 219.84, 303.36 and 170.68 is: 235.52
Step by Step Solution
- Step 1: Write the proportion equation
219.84 : 303.36 = 170.68 : x - Step 2: Convert to fraction form
219.84/303.36 = 170.68/x - Step 3: Cross multiply
219.84x = 303.36 × 170.68 - Step 4: Simplify right side
219.84x = 51,777.48 - Step 5: Solve for x
x = 51,777.48/219.84 - Step 6: Final answer
x = 235.52
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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.