Finding the Fourth Proportional to 476.99, 657.62 and 329.67
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Solution
The fourth proportional to 476.99, 657.62 and 329.67 is: 454.51
Step by Step Solution
- Step 1: Write the proportion equation
476.99 : 657.62 = 329.67 : x - Step 2: Convert to fraction form
476.99/657.62 = 329.67/x - Step 3: Cross multiply
476.99x = 657.62 × 329.67 - Step 4: Simplify right side
476.99x = 216,797.17 - Step 5: Solve for x
x = 216,797.17/476.99 - Step 6: Final answer
x = 454.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.