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Finding the Fourth Proportional to 617.51, 849.02 and 550.50

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Solution

The fourth proportional to 617.51, 849.02 and 550.50 is: 756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.51 : 849.02 = 550.50 : x
  2. Step 2: Convert to fraction form
    617.51/849.02 = 550.50/x
  3. Step 3: Cross multiply
    617.51x = 849.02 × 550.50
  4. Step 4: Simplify right side
    617.51x = 467,382.76
  5. Step 5: Solve for x
    x = 467,382.76/617.51
  6. Step 6: Final answer
    x = 756.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.