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Finding the Fourth Proportional to 546.29, 819.57 and 272.51

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Solution

The fourth proportional to 546.29, 819.57 and 272.51 is: 408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.29 : 819.57 = 272.51 : x
  2. Step 2: Convert to fraction form
    546.29/819.57 = 272.51/x
  3. Step 3: Cross multiply
    546.29x = 819.57 × 272.51
  4. Step 4: Simplify right side
    546.29x = 223,341.02
  5. Step 5: Solve for x
    x = 223,341.02/546.29
  6. Step 6: Final answer
    x = 408.83

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.