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Finding the Fourth Proportional to 572.78, 859.17 and 182.76

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Solution

The fourth proportional to 572.78, 859.17 and 182.76 is: 274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.78 : 859.17 = 182.76 : x
  2. Step 2: Convert to fraction form
    572.78/859.17 = 182.76/x
  3. Step 3: Cross multiply
    572.78x = 859.17 × 182.76
  4. Step 4: Simplify right side
    572.78x = 157,021.91
  5. Step 5: Solve for x
    x = 157,021.91/572.78
  6. Step 6: Final answer
    x = 274.14

Related Problems

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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.