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Finding the Fourth Proportional to 575.99, 793.97 and 528.32

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Solution

The fourth proportional to 575.99, 793.97 and 528.32 is: 728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.99 : 793.97 = 528.32 : x
  2. Step 2: Convert to fraction form
    575.99/793.97 = 528.32/x
  3. Step 3: Cross multiply
    575.99x = 793.97 × 528.32
  4. Step 4: Simplify right side
    575.99x = 419,471.55
  5. Step 5: Solve for x
    x = 419,471.55/575.99
  6. Step 6: Final answer
    x = 728.26

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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.