Finding the Fourth Proportional to 405.84, 607.53 and 336.99
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Solution
The fourth proportional to 405.84, 607.53 and 336.99 is: 504.46
Step by Step Solution
- Step 1: Write the proportion equation
405.84 : 607.53 = 336.99 : x - Step 2: Convert to fraction form
405.84/607.53 = 336.99/x - Step 3: Cross multiply
405.84x = 607.53 × 336.99 - Step 4: Simplify right side
405.84x = 204,731.53 - Step 5: Solve for x
x = 204,731.53/405.84 - Step 6: Final answer
x = 504.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.