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Finding the Fourth Proportional to 577.14, 798.03 and 540.42

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Solution

The fourth proportional to 577.14, 798.03 and 540.42 is: 747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.14 : 798.03 = 540.42 : x
  2. Step 2: Convert to fraction form
    577.14/798.03 = 540.42/x
  3. Step 3: Cross multiply
    577.14x = 798.03 × 540.42
  4. Step 4: Simplify right side
    577.14x = 431,271.37
  5. Step 5: Solve for x
    x = 431,271.37/577.14
  6. Step 6: Final answer
    x = 747.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.