Home / 794.03-1,191.15-307.13

Finding the Fourth Proportional to 794.03, 1,191.15 and 307.13

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Solution

The fourth proportional to 794.03, 1,191.15 and 307.13 is: 460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.03 : 1,191.15 = 307.13 : x
  2. Step 2: Convert to fraction form
    794.03/1,191.15 = 307.13/x
  3. Step 3: Cross multiply
    794.03x = 1,191.15 × 307.13
  4. Step 4: Simplify right side
    794.03x = 365,831.94
  5. Step 5: Solve for x
    x = 365,831.94/794.03
  6. Step 6: Final answer
    x = 460.73

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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.