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Finding the Fourth Proportional to 609.52, 909.08 and 554.44

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Solution

The fourth proportional to 609.52, 909.08 and 554.44 is: 826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.52 : 909.08 = 554.44 : x
  2. Step 2: Convert to fraction form
    609.52/909.08 = 554.44/x
  3. Step 3: Cross multiply
    609.52x = 909.08 × 554.44
  4. Step 4: Simplify right side
    609.52x = 504,030.32
  5. Step 5: Solve for x
    x = 504,030.32/609.52
  6. Step 6: Final answer
    x = 826.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.