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Finding the Fourth Proportional to 540.88, 810.90 and 232.48

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Solution

The fourth proportional to 540.88, 810.90 and 232.48 is: 348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.88 : 810.90 = 232.48 : x
  2. Step 2: Convert to fraction form
    540.88/810.90 = 232.48/x
  3. Step 3: Cross multiply
    540.88x = 810.90 × 232.48
  4. Step 4: Simplify right side
    540.88x = 188,518.03
  5. Step 5: Solve for x
    x = 188,518.03/540.88
  6. Step 6: Final answer
    x = 348.54

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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.