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Finding the Fourth Proportional to 546.08, 753.30 and 483.98

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Solution

The fourth proportional to 546.08, 753.30 and 483.98 is: 667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.08 : 753.30 = 483.98 : x
  2. Step 2: Convert to fraction form
    546.08/753.30 = 483.98/x
  3. Step 3: Cross multiply
    546.08x = 753.30 × 483.98
  4. Step 4: Simplify right side
    546.08x = 364,578.37
  5. Step 5: Solve for x
    x = 364,578.37/546.08
  6. Step 6: Final answer
    x = 667.63

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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.