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Finding the Fourth Proportional to 546.94, 820.14 and 495.10

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Solution

The fourth proportional to 546.94, 820.14 and 495.10 is: 742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.94 : 820.14 = 495.10 : x
  2. Step 2: Convert to fraction form
    546.94/820.14 = 495.10/x
  3. Step 3: Cross multiply
    546.94x = 820.14 × 495.10
  4. Step 4: Simplify right side
    546.94x = 406,051.31
  5. Step 5: Solve for x
    x = 406,051.31/546.94
  6. Step 6: Final answer
    x = 742.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.