Home / 1,194.02-1,790.82-328.13

Finding the Fourth Proportional to 1,194.02, 1,790.82 and 328.13

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Solution

The fourth proportional to 1,194.02, 1,790.82 and 328.13 is: 492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.02 : 1,790.82 = 328.13 : x
  2. Step 2: Convert to fraction form
    1,194.02/1,790.82 = 328.13/x
  3. Step 3: Cross multiply
    1,194.02x = 1,790.82 × 328.13
  4. Step 4: Simplify right side
    1,194.02x = 587,612.81
  5. Step 5: Solve for x
    x = 587,612.81/1,194.02
  6. Step 6: Final answer
    x = 492.13

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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.