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Finding the Fourth Proportional to 539.91, 750.24 and 533.03

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Solution

The fourth proportional to 539.91, 750.24 and 533.03 is: 740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.91 : 750.24 = 533.03 : x
  2. Step 2: Convert to fraction form
    539.91/750.24 = 533.03/x
  3. Step 3: Cross multiply
    539.91x = 750.24 × 533.03
  4. Step 4: Simplify right side
    539.91x = 399,896.68
  5. Step 5: Solve for x
    x = 399,896.68/539.91
  6. Step 6: Final answer
    x = 740.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.