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Finding the Fourth Proportional to 591.79, 887.23 and 469.69

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Solution

The fourth proportional to 591.79, 887.23 and 469.69 is: 704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.79 : 887.23 = 469.69 : x
  2. Step 2: Convert to fraction form
    591.79/887.23 = 469.69/x
  3. Step 3: Cross multiply
    591.79x = 887.23 × 469.69
  4. Step 4: Simplify right side
    591.79x = 416,723.06
  5. Step 5: Solve for x
    x = 416,723.06/591.79
  6. Step 6: Final answer
    x = 704.17

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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.