Finding the Fourth Proportional to 1,135.17, 1,702.94 and 558
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Solution
The fourth proportional to 1,135.17, 1,702.94 and 558 is: 837.09
Step by Step Solution
- Step 1: Write the proportion equation
1,135.17 : 1,702.94 = 558 : x - Step 2: Convert to fraction form
1,135.17/1,702.94 = 558/x - Step 3: Cross multiply
1,135.17x = 1,702.94 × 558 - Step 4: Simplify right side
1,135.17x = 950,237.73 - Step 5: Solve for x
x = 950,237.73/1,135.17 - Step 6: Final answer
x = 837.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.