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Finding the Fourth Proportional to 649.88, 973.02 and 444.08

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Solution

The fourth proportional to 649.88, 973.02 and 444.08 is: 664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    649.88 : 973.02 = 444.08 : x
  2. Step 2: Convert to fraction form
    649.88/973.02 = 444.08/x
  3. Step 3: Cross multiply
    649.88x = 973.02 × 444.08
  4. Step 4: Simplify right side
    649.88x = 432,098.72
  5. Step 5: Solve for x
    x = 432,098.72/649.88
  6. Step 6: Final answer
    x = 664.89

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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.