Finding the Fourth Proportional to 253.01, 349.08 and 170.21
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Solution
The fourth proportional to 253.01, 349.08 and 170.21 is: 234.84
Step by Step Solution
- Step 1: Write the proportion equation
253.01 : 349.08 = 170.21 : x - Step 2: Convert to fraction form
253.01/349.08 = 170.21/x - Step 3: Cross multiply
253.01x = 349.08 × 170.21 - Step 4: Simplify right side
253.01x = 59,416.91 - Step 5: Solve for x
x = 59,416.91/253.01 - Step 6: Final answer
x = 234.84
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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.