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Finding the Fourth Proportional to 546.34, 819.36 and 340.14

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Solution

The fourth proportional to 546.34, 819.36 and 340.14 is: 510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.34 : 819.36 = 340.14 : x
  2. Step 2: Convert to fraction form
    546.34/819.36 = 340.14/x
  3. Step 3: Cross multiply
    546.34x = 819.36 × 340.14
  4. Step 4: Simplify right side
    546.34x = 278,697.11
  5. Step 5: Solve for x
    x = 278,697.11/546.34
  6. Step 6: Final answer
    x = 510.12

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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.