Home / 1,158.96-1,738.40-293.28

Finding the Fourth Proportional to 1,158.96, 1,738.40 and 293.28

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Solution

The fourth proportional to 1,158.96, 1,738.40 and 293.28 is: 439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.96 : 1,738.40 = 293.28 : x
  2. Step 2: Convert to fraction form
    1,158.96/1,738.40 = 293.28/x
  3. Step 3: Cross multiply
    1,158.96x = 1,738.40 × 293.28
  4. Step 4: Simplify right side
    1,158.96x = 509,837.95
  5. Step 5: Solve for x
    x = 509,837.95/1,158.96
  6. Step 6: Final answer
    x = 439.91

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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.