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Finding the Fourth Proportional to 540.44, 810.70 and 332.10

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Solution

The fourth proportional to 540.44, 810.70 and 332.10 is: 498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.44 : 810.70 = 332.10 : x
  2. Step 2: Convert to fraction form
    540.44/810.70 = 332.10/x
  3. Step 3: Cross multiply
    540.44x = 810.70 × 332.10
  4. Step 4: Simplify right side
    540.44x = 269,233.47
  5. Step 5: Solve for x
    x = 269,233.47/540.44
  6. Step 6: Final answer
    x = 498.17

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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.