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Finding the Fourth Proportional to 609.32, 914.28 and 528.73

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Solution

The fourth proportional to 609.32, 914.28 and 528.73 is: 793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.32 : 914.28 = 528.73 : x
  2. Step 2: Convert to fraction form
    609.32/914.28 = 528.73/x
  3. Step 3: Cross multiply
    609.32x = 914.28 × 528.73
  4. Step 4: Simplify right side
    609.32x = 483,403.00
  5. Step 5: Solve for x
    x = 483,403.00/609.32
  6. Step 6: Final answer
    x = 793.35

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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.