Finding the Fourth Proportional to 556.13, 766.99 and 416.58
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Solution
The fourth proportional to 556.13, 766.99 and 416.58 is: 574.53
Step by Step Solution
- Step 1: Write the proportion equation
556.13 : 766.99 = 416.58 : x - Step 2: Convert to fraction form
556.13/766.99 = 416.58/x - Step 3: Cross multiply
556.13x = 766.99 × 416.58 - Step 4: Simplify right side
556.13x = 319,510.34 - Step 5: Solve for x
x = 319,510.34/556.13 - Step 6: Final answer
x = 574.53
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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.