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Finding the Fourth Proportional to 362.56, 540.76 and 325.84

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Solution

The fourth proportional to 362.56, 540.76 and 325.84 is: 485.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.56 : 540.76 = 325.84 : x
  2. Step 2: Convert to fraction form
    362.56/540.76 = 325.84/x
  3. Step 3: Cross multiply
    362.56x = 540.76 × 325.84
  4. Step 4: Simplify right side
    362.56x = 176,201.24
  5. Step 5: Solve for x
    x = 176,201.24/362.56
  6. Step 6: Final answer
    x = 485.99

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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.