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Finding the Fourth Proportional to 500.86, 751.56 and 499.33

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Solution

The fourth proportional to 500.86, 751.56 and 499.33 is: 749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.86 : 751.56 = 499.33 : x
  2. Step 2: Convert to fraction form
    500.86/751.56 = 499.33/x
  3. Step 3: Cross multiply
    500.86x = 751.56 × 499.33
  4. Step 4: Simplify right side
    500.86x = 375,276.45
  5. Step 5: Solve for x
    x = 375,276.45/500.86
  6. Step 6: Final answer
    x = 749.26

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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.