Home / 1,178.17-1,766.97-356.23

Finding the Fourth Proportional to 1,178.17, 1,766.97 and 356.23

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Solution

The fourth proportional to 1,178.17, 1,766.97 and 356.23 is: 534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178.17 : 1,766.97 = 356.23 : x
  2. Step 2: Convert to fraction form
    1,178.17/1,766.97 = 356.23/x
  3. Step 3: Cross multiply
    1,178.17x = 1,766.97 × 356.23
  4. Step 4: Simplify right side
    1,178.17x = 629,447.72
  5. Step 5: Solve for x
    x = 629,447.72/1,178.17
  6. Step 6: Final answer
    x = 534.26

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1.5x scale

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.