Home / 718.03-1,077.23-371.26

Finding the Fourth Proportional to 718.03, 1,077.23 and 371.26

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Solution

The fourth proportional to 718.03, 1,077.23 and 371.26 is: 556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    718.03 : 1,077.23 = 371.26 : x
  2. Step 2: Convert to fraction form
    718.03/1,077.23 = 371.26/x
  3. Step 3: Cross multiply
    718.03x = 1,077.23 × 371.26
  4. Step 4: Simplify right side
    718.03x = 399,932.41
  5. Step 5: Solve for x
    x = 399,932.41/718.03
  6. Step 6: Final answer
    x = 556.99

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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.