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Finding the Fourth Proportional to 794.89, 1,190.67 and 470.08

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Solution

The fourth proportional to 794.89, 1,190.67 and 470.08 is: 704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.89 : 1,190.67 = 470.08 : x
  2. Step 2: Convert to fraction form
    794.89/1,190.67 = 470.08/x
  3. Step 3: Cross multiply
    794.89x = 1,190.67 × 470.08
  4. Step 4: Simplify right side
    794.89x = 559,710.15
  5. Step 5: Solve for x
    x = 559,710.15/794.89
  6. Step 6: Final answer
    x = 704.14

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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.