Finding the Fourth Proportional to 435.99, 656.99 and 360.65
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Solution
The fourth proportional to 435.99, 656.99 and 360.65 is: 543.46
Step by Step Solution
- Step 1: Write the proportion equation
435.99 : 656.99 = 360.65 : x - Step 2: Convert to fraction form
435.99/656.99 = 360.65/x - Step 3: Cross multiply
435.99x = 656.99 × 360.65 - Step 4: Simplify right side
435.99x = 236,943.36 - Step 5: Solve for x
x = 236,943.36/435.99 - Step 6: Final answer
x = 543.46
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.