Finding the Fourth Proportional to 52.24, 72.12 and 47.08
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Solution
The fourth proportional to 52.24, 72.12 and 47.08 is: 65.00
Step by Step Solution
- Step 1: Write the proportion equation
52.24 : 72.12 = 47.08 : x - Step 2: Convert to fraction form
52.24/72.12 = 47.08/x - Step 3: Cross multiply
52.24x = 72.12 × 47.08 - Step 4: Simplify right side
52.24x = 3,395.41 - Step 5: Solve for x
x = 3,395.41/52.24 - Step 6: Final answer
x = 65.00
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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.