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Finding the Fourth Proportional to 714.06, 983.04 and 556.47

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Solution

The fourth proportional to 714.06, 983.04 and 556.47 is: 766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    714.06 : 983.04 = 556.47 : x
  2. Step 2: Convert to fraction form
    714.06/983.04 = 556.47/x
  3. Step 3: Cross multiply
    714.06x = 983.04 × 556.47
  4. Step 4: Simplify right side
    714.06x = 547,032.27
  5. Step 5: Solve for x
    x = 547,032.27/714.06
  6. Step 6: Final answer
    x = 766.09

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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.