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Finding the Fourth Proportional to 273.24, 406.62 and 263.52

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Solution

The fourth proportional to 273.24, 406.62 and 263.52 is: 392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.24 : 406.62 = 263.52 : x
  2. Step 2: Convert to fraction form
    273.24/406.62 = 263.52/x
  3. Step 3: Cross multiply
    273.24x = 406.62 × 263.52
  4. Step 4: Simplify right side
    273.24x = 107,152.50
  5. Step 5: Solve for x
    x = 107,152.50/273.24
  6. Step 6: Final answer
    x = 392.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.