Finding the Fourth Proportional to 454.91, 626.83 and 349.99
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Solution
The fourth proportional to 454.91, 626.83 and 349.99 is: 482.26
Step by Step Solution
- Step 1: Write the proportion equation
454.91 : 626.83 = 349.99 : x - Step 2: Convert to fraction form
454.91/626.83 = 349.99/x - Step 3: Cross multiply
454.91x = 626.83 × 349.99 - Step 4: Simplify right side
454.91x = 219,384.23 - Step 5: Solve for x
x = 219,384.23/454.91 - Step 6: Final answer
x = 482.26
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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.