Finding the Fourth Proportional to 442.74, 664.11 and 340.68
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Solution
The fourth proportional to 442.74, 664.11 and 340.68 is: 511.02
Step by Step Solution
- Step 1: Write the proportion equation
442.74 : 664.11 = 340.68 : x - Step 2: Convert to fraction form
442.74/664.11 = 340.68/x - Step 3: Cross multiply
442.74x = 664.11 × 340.68 - Step 4: Simplify right side
442.74x = 226,248.99 - Step 5: Solve for x
x = 226,248.99/442.74 - Step 6: Final answer
x = 511.02
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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.