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Finding the Fourth Proportional to 352.63, 528.94 and 96.13

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Solution

The fourth proportional to 352.63, 528.94 and 96.13 is: 144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.63 : 528.94 = 96.13 : x
  2. Step 2: Convert to fraction form
    352.63/528.94 = 96.13/x
  3. Step 3: Cross multiply
    352.63x = 528.94 × 96.13
  4. Step 4: Simplify right side
    352.63x = 50,844.36
  5. Step 5: Solve for x
    x = 50,844.36/352.63
  6. Step 6: Final answer
    x = 144.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.