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Finding the Fourth Proportional to 849.00, 1,171.50 and 475.93

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Solution

The fourth proportional to 849.00, 1,171.50 and 475.93 is: 656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.00 : 1,171.50 = 475.93 : x
  2. Step 2: Convert to fraction form
    849.00/1,171.50 = 475.93/x
  3. Step 3: Cross multiply
    849.00x = 1,171.50 × 475.93
  4. Step 4: Simplify right side
    849.00x = 557,551.67
  5. Step 5: Solve for x
    x = 557,551.67/849.00
  6. Step 6: Final answer
    x = 656.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.