Finding the Fourth Proportional to 534, 736.88 and 312.99
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Solution
The fourth proportional to 534, 736.88 and 312.99 is: 431.90
Step by Step Solution
- Step 1: Write the proportion equation
534 : 736.88 = 312.99 : x - Step 2: Convert to fraction form
534/736.88 = 312.99/x - Step 3: Cross multiply
534x = 736.88 × 312.99 - Step 4: Simplify right side
534x = 230,636.07 - Step 5: Solve for x
x = 230,636.07/534 - Step 6: Final answer
x = 431.90
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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.