Finding the Fourth Proportional to 463.84, 695.75 and 186.32
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Solution
The fourth proportional to 463.84, 695.75 and 186.32 is: 279.47
Step by Step Solution
- Step 1: Write the proportion equation
463.84 : 695.75 = 186.32 : x - Step 2: Convert to fraction form
463.84/695.75 = 186.32/x - Step 3: Cross multiply
463.84x = 695.75 × 186.32 - Step 4: Simplify right side
463.84x = 129,628.20 - Step 5: Solve for x
x = 129,628.20/463.84 - Step 6: Final answer
x = 279.47
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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.