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Finding the Fourth Proportional to 718.01, 1,077.17 and 224.41

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Solution

The fourth proportional to 718.01, 1,077.17 and 224.41 is: 336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    718.01 : 1,077.17 = 224.41 : x
  2. Step 2: Convert to fraction form
    718.01/1,077.17 = 224.41/x
  3. Step 3: Cross multiply
    718.01x = 1,077.17 × 224.41
  4. Step 4: Simplify right side
    718.01x = 241,727.72
  5. Step 5: Solve for x
    x = 241,727.72/718.01
  6. Step 6: Final answer
    x = 336.66

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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.