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Finding the Fourth Proportional to 547.01, 754.87 and 298.32

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Solution

The fourth proportional to 547.01, 754.87 and 298.32 is: 411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.01 : 754.87 = 298.32 : x
  2. Step 2: Convert to fraction form
    547.01/754.87 = 298.32/x
  3. Step 3: Cross multiply
    547.01x = 754.87 × 298.32
  4. Step 4: Simplify right side
    547.01x = 225,192.07
  5. Step 5: Solve for x
    x = 225,192.07/547.01
  6. Step 6: Final answer
    x = 411.68

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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.