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Finding the Fourth Proportional to 675.01, 930.12 and 517.63

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Solution

The fourth proportional to 675.01, 930.12 and 517.63 is: 713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.01 : 930.12 = 517.63 : x
  2. Step 2: Convert to fraction form
    675.01/930.12 = 517.63/x
  3. Step 3: Cross multiply
    675.01x = 930.12 × 517.63
  4. Step 4: Simplify right side
    675.01x = 481,461.63
  5. Step 5: Solve for x
    x = 481,461.63/675.01
  6. Step 6: Final answer
    x = 713.27

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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.