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Finding the Fourth Proportional to 540.94, 811.42 and 232.84

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Solution

The fourth proportional to 540.94, 811.42 and 232.84 is: 349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.94 : 811.42 = 232.84 : x
  2. Step 2: Convert to fraction form
    540.94/811.42 = 232.84/x
  3. Step 3: Cross multiply
    540.94x = 811.42 × 232.84
  4. Step 4: Simplify right side
    540.94x = 188,931.03
  5. Step 5: Solve for x
    x = 188,931.03/540.94
  6. Step 6: Final answer
    x = 349.26

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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.