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Finding the Fourth Proportional to 540.56, 812.64 and 500.48

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Solution

The fourth proportional to 540.56, 812.64 and 500.48 is: 752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.56 : 812.64 = 500.48 : x
  2. Step 2: Convert to fraction form
    540.56/812.64 = 500.48/x
  3. Step 3: Cross multiply
    540.56x = 812.64 × 500.48
  4. Step 4: Simplify right side
    540.56x = 406,710.07
  5. Step 5: Solve for x
    x = 406,710.07/540.56
  6. Step 6: Final answer
    x = 752.39

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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.