Finding the Fourth Proportional to 316.14, 474.08 and 110.65
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Solution
The fourth proportional to 316.14, 474.08 and 110.65 is: 165.92
Step by Step Solution
- Step 1: Write the proportion equation
316.14 : 474.08 = 110.65 : x - Step 2: Convert to fraction form
316.14/474.08 = 110.65/x - Step 3: Cross multiply
316.14x = 474.08 × 110.65 - Step 4: Simplify right side
316.14x = 52,455.21 - Step 5: Solve for x
x = 52,455.21/316.14 - Step 6: Final answer
x = 165.92
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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.