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Finding the Fourth Proportional to 656.26, 983.72 and 245.14

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Solution

The fourth proportional to 656.26, 983.72 and 245.14 is: 367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.26 : 983.72 = 245.14 : x
  2. Step 2: Convert to fraction form
    656.26/983.72 = 245.14/x
  3. Step 3: Cross multiply
    656.26x = 983.72 × 245.14
  4. Step 4: Simplify right side
    656.26x = 241,149.12
  5. Step 5: Solve for x
    x = 241,149.12/656.26
  6. Step 6: Final answer
    x = 367.46

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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.