Finding the Fourth Proportional to 463.91, 695.79 and 189.99
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Solution
The fourth proportional to 463.91, 695.79 and 189.99 is: 284.96
Step by Step Solution
- Step 1: Write the proportion equation
463.91 : 695.79 = 189.99 : x - Step 2: Convert to fraction form
463.91/695.79 = 189.99/x - Step 3: Cross multiply
463.91x = 695.79 × 189.99 - Step 4: Simplify right side
463.91x = 132,193.14 - Step 5: Solve for x
x = 132,193.14/463.91 - Step 6: Final answer
x = 284.96
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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.