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Finding the Fourth Proportional to 716.52, 988.14 and 606.22

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Solution

The fourth proportional to 716.52, 988.14 and 606.22 is: 836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.52 : 988.14 = 606.22 : x
  2. Step 2: Convert to fraction form
    716.52/988.14 = 606.22/x
  3. Step 3: Cross multiply
    716.52x = 988.14 × 606.22
  4. Step 4: Simplify right side
    716.52x = 599,030.23
  5. Step 5: Solve for x
    x = 599,030.23/716.52
  6. Step 6: Final answer
    x = 836.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.