Finding the Fourth Proportional to 695.24, 1,042.84 and 208.29
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Solution
The fourth proportional to 695.24, 1,042.84 and 208.29 is: 312.43
Step by Step Solution
- Step 1: Write the proportion equation
695.24 : 1,042.84 = 208.29 : x - Step 2: Convert to fraction form
695.24/1,042.84 = 208.29/x - Step 3: Cross multiply
695.24x = 1,042.84 × 208.29 - Step 4: Simplify right side
695.24x = 217,213.14 - Step 5: Solve for x
x = 217,213.14/695.24 - Step 6: Final answer
x = 312.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.