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Finding the Fourth Proportional to 350.24, 525.48 and 273.20

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Solution

The fourth proportional to 350.24, 525.48 and 273.20 is: 409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.24 : 525.48 = 273.20 : x
  2. Step 2: Convert to fraction form
    350.24/525.48 = 273.20/x
  3. Step 3: Cross multiply
    350.24x = 525.48 × 273.20
  4. Step 4: Simplify right side
    350.24x = 143,561.14
  5. Step 5: Solve for x
    x = 143,561.14/350.24
  6. Step 6: Final answer
    x = 409.89

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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.