Finding the Fourth Proportional to 840.48, 1,160.16 and 593.04
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Solution
The fourth proportional to 840.48, 1,160.16 and 593.04 is: 818.61
Step by Step Solution
- Step 1: Write the proportion equation
840.48 : 1,160.16 = 593.04 : x - Step 2: Convert to fraction form
840.48/1,160.16 = 593.04/x - Step 3: Cross multiply
840.48x = 1,160.16 × 593.04 - Step 4: Simplify right side
840.48x = 688,021.29 - Step 5: Solve for x
x = 688,021.29/840.48 - Step 6: Final answer
x = 818.61
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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.