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Finding the Fourth Proportional to 365.48, 546.56 and 273.00

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Solution

The fourth proportional to 365.48, 546.56 and 273.00 is: 408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.48 : 546.56 = 273.00 : x
  2. Step 2: Convert to fraction form
    365.48/546.56 = 273.00/x
  3. Step 3: Cross multiply
    365.48x = 546.56 × 273.00
  4. Step 4: Simplify right side
    365.48x = 149,209.51
  5. Step 5: Solve for x
    x = 149,209.51/365.48
  6. Step 6: Final answer
    x = 408.25

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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.