Finding the Fourth Proportional to 463.95, 639.99 and 297.99
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Solution
The fourth proportional to 463.95, 639.99 and 297.99 is: 411.06
Step by Step Solution
- Step 1: Write the proportion equation
463.95 : 639.99 = 297.99 : x - Step 2: Convert to fraction form
463.95/639.99 = 297.99/x - Step 3: Cross multiply
463.95x = 639.99 × 297.99 - Step 4: Simplify right side
463.95x = 190,710.62 - Step 5: Solve for x
x = 190,710.62/463.95 - Step 6: Final answer
x = 411.06
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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.