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Finding the Fourth Proportional to 528.75, 793.73 and 240.19

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Solution

The fourth proportional to 528.75, 793.73 and 240.19 is: 360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.75 : 793.73 = 240.19 : x
  2. Step 2: Convert to fraction form
    528.75/793.73 = 240.19/x
  3. Step 3: Cross multiply
    528.75x = 793.73 × 240.19
  4. Step 4: Simplify right side
    528.75x = 190,644.62
  5. Step 5: Solve for x
    x = 190,644.62/528.75
  6. Step 6: Final answer
    x = 360.56

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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.