Home / 648.27-972.41-186.08

Finding the Fourth Proportional to 648.27, 972.41 and 186.08

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Solution

The fourth proportional to 648.27, 972.41 and 186.08 is: 279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    648.27 : 972.41 = 186.08 : x
  2. Step 2: Convert to fraction form
    648.27/972.41 = 186.08/x
  3. Step 3: Cross multiply
    648.27x = 972.41 × 186.08
  4. Step 4: Simplify right side
    648.27x = 180,940.26
  5. Step 5: Solve for x
    x = 180,940.26/648.27
  6. Step 6: Final answer
    x = 279.11

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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.