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Finding the Fourth Proportional to 723.51, 997.92 and 546.84

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Solution

The fourth proportional to 723.51, 997.92 and 546.84 is: 754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    723.51 : 997.92 = 546.84 : x
  2. Step 2: Convert to fraction form
    723.51/997.92 = 546.84/x
  3. Step 3: Cross multiply
    723.51x = 997.92 × 546.84
  4. Step 4: Simplify right side
    723.51x = 545,702.57
  5. Step 5: Solve for x
    x = 545,702.57/723.51
  6. Step 6: Final answer
    x = 754.24

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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.