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Finding the Fourth Proportional to 547.10, 753.81 and 372.14

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Solution

The fourth proportional to 547.10, 753.81 and 372.14 is: 512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.10 : 753.81 = 372.14 : x
  2. Step 2: Convert to fraction form
    547.10/753.81 = 372.14/x
  3. Step 3: Cross multiply
    547.10x = 753.81 × 372.14
  4. Step 4: Simplify right side
    547.10x = 280,519.08
  5. Step 5: Solve for x
    x = 280,519.08/547.10
  6. Step 6: Final answer
    x = 512.74

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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.