Finding the Fourth Proportional to 463.74, 639.99 and 267.26
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Solution
The fourth proportional to 463.74, 639.99 and 267.26 is: 368.84
Step by Step Solution
- Step 1: Write the proportion equation
463.74 : 639.99 = 267.26 : x - Step 2: Convert to fraction form
463.74/639.99 = 267.26/x - Step 3: Cross multiply
463.74x = 639.99 × 267.26 - Step 4: Simplify right side
463.74x = 171,043.73 - Step 5: Solve for x
x = 171,043.73/463.74 - Step 6: Final answer
x = 368.84
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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.