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Finding the Fourth Proportional to 714.36, 983.70 and 597.72

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Solution

The fourth proportional to 714.36, 983.70 and 597.72 is: 823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    714.36 : 983.70 = 597.72 : x
  2. Step 2: Convert to fraction form
    714.36/983.70 = 597.72/x
  3. Step 3: Cross multiply
    714.36x = 983.70 × 597.72
  4. Step 4: Simplify right side
    714.36x = 587,977.16
  5. Step 5: Solve for x
    x = 587,977.16/714.36
  6. Step 6: Final answer
    x = 823.08

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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.