Finding the Fourth Proportional to 562.79, 776.14 and 352.99
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Solution
The fourth proportional to 562.79, 776.14 and 352.99 is: 486.80
Step by Step Solution
- Step 1: Write the proportion equation
562.79 : 776.14 = 352.99 : x - Step 2: Convert to fraction form
562.79/776.14 = 352.99/x - Step 3: Cross multiply
562.79x = 776.14 × 352.99 - Step 4: Simplify right side
562.79x = 273,965.78 - Step 5: Solve for x
x = 273,965.78/562.79 - Step 6: Final answer
x = 486.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.