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Finding the Fourth Proportional to 547.92, 751.04 and 540.24

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Solution

The fourth proportional to 547.92, 751.04 and 540.24 is: 740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.92 : 751.04 = 540.24 : x
  2. Step 2: Convert to fraction form
    547.92/751.04 = 540.24/x
  3. Step 3: Cross multiply
    547.92x = 751.04 × 540.24
  4. Step 4: Simplify right side
    547.92x = 405,741.85
  5. Step 5: Solve for x
    x = 405,741.85/547.92
  6. Step 6: Final answer
    x = 740.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.