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Finding the Fourth Proportional to 591.51, 887.22 and 331.34

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Solution

The fourth proportional to 591.51, 887.22 and 331.34 is: 496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.51 : 887.22 = 331.34 : x
  2. Step 2: Convert to fraction form
    591.51/887.22 = 331.34/x
  3. Step 3: Cross multiply
    591.51x = 887.22 × 331.34
  4. Step 4: Simplify right side
    591.51x = 293,973.69
  5. Step 5: Solve for x
    x = 293,973.69/591.51
  6. Step 6: Final answer
    x = 496.99

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Double scale
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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.