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Finding the Fourth Proportional to 654.77, 983.20 and 650.02

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Solution

The fourth proportional to 654.77, 983.20 and 650.02 is: 976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.77 : 983.20 = 650.02 : x
  2. Step 2: Convert to fraction form
    654.77/983.20 = 650.02/x
  3. Step 3: Cross multiply
    654.77x = 983.20 × 650.02
  4. Step 4: Simplify right side
    654.77x = 639,095.58
  5. Step 5: Solve for x
    x = 639,095.58/654.77
  6. Step 6: Final answer
    x = 976.06

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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.