Finding the Fourth Proportional to 466.82, 644.21 and 256.99
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Solution
The fourth proportional to 466.82, 644.21 and 256.99 is: 354.65
Step by Step Solution
- Step 1: Write the proportion equation
466.82 : 644.21 = 256.99 : x - Step 2: Convert to fraction form
466.82/644.21 = 256.99/x - Step 3: Cross multiply
466.82x = 644.21 × 256.99 - Step 4: Simplify right side
466.82x = 165,556.17 - Step 5: Solve for x
x = 165,556.17/466.82 - Step 6: Final answer
x = 354.65
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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.