Finding the Fourth Proportional to 1,100.34, 1,518.40 and 602.99
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Solution
The fourth proportional to 1,100.34, 1,518.40 and 602.99 is: 832.09
Step by Step Solution
- Step 1: Write the proportion equation
1,100.34 : 1,518.40 = 602.99 : x - Step 2: Convert to fraction form
1,100.34/1,518.40 = 602.99/x - Step 3: Cross multiply
1,100.34x = 1,518.40 × 602.99 - Step 4: Simplify right side
1,100.34x = 915,580.02 - Step 5: Solve for x
x = 915,580.02/1,100.34 - Step 6: Final answer
x = 832.09
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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.