Home / 1,190.08-1,784.44-368.11

Finding the Fourth Proportional to 1,190.08, 1,784.44 and 368.11

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Solution

The fourth proportional to 1,190.08, 1,784.44 and 368.11 is: 551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.08 : 1,784.44 = 368.11 : x
  2. Step 2: Convert to fraction form
    1,190.08/1,784.44 = 368.11/x
  3. Step 3: Cross multiply
    1,190.08x = 1,784.44 × 368.11
  4. Step 4: Simplify right side
    1,190.08x = 656,870.21
  5. Step 5: Solve for x
    x = 656,870.21/1,190.08
  6. Step 6: Final answer
    x = 551.95

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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.