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Finding the Fourth Proportional to 609.45, 914.24 and 301.51

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Solution

The fourth proportional to 609.45, 914.24 and 301.51 is: 452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.45 : 914.24 = 301.51 : x
  2. Step 2: Convert to fraction form
    609.45/914.24 = 301.51/x
  3. Step 3: Cross multiply
    609.45x = 914.24 × 301.51
  4. Step 4: Simplify right side
    609.45x = 275,652.50
  5. Step 5: Solve for x
    x = 275,652.50/609.45
  6. Step 6: Final answer
    x = 452.30

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1.5x scale

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.