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Finding the Fourth Proportional to 591.51, 887.32 and 201.55

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Solution

The fourth proportional to 591.51, 887.32 and 201.55 is: 302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.51 : 887.32 = 201.55 : x
  2. Step 2: Convert to fraction form
    591.51/887.32 = 201.55/x
  3. Step 3: Cross multiply
    591.51x = 887.32 × 201.55
  4. Step 4: Simplify right side
    591.51x = 178,834.91
  5. Step 5: Solve for x
    x = 178,834.91/591.51
  6. Step 6: Final answer
    x = 302.34

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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.