Home / 790.03-1,184.19-327.51

Finding the Fourth Proportional to 790.03, 1,184.19 and 327.51

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Solution

The fourth proportional to 790.03, 1,184.19 and 327.51 is: 490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    790.03 : 1,184.19 = 327.51 : x
  2. Step 2: Convert to fraction form
    790.03/1,184.19 = 327.51/x
  3. Step 3: Cross multiply
    790.03x = 1,184.19 × 327.51
  4. Step 4: Simplify right side
    790.03x = 387,834.07
  5. Step 5: Solve for x
    x = 387,834.07/790.03
  6. Step 6: Final answer
    x = 490.91

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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.