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Finding the Fourth Proportional to 609.94, 914.12 and 532.54

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Solution

The fourth proportional to 609.94, 914.12 and 532.54 is: 798.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.94 : 914.12 = 532.54 : x
  2. Step 2: Convert to fraction form
    609.94/914.12 = 532.54/x
  3. Step 3: Cross multiply
    609.94x = 914.12 × 532.54
  4. Step 4: Simplify right side
    609.94x = 486,805.46
  5. Step 5: Solve for x
    x = 486,805.46/609.94
  6. Step 6: Final answer
    x = 798.12

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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.