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Finding the Fourth Proportional to 560.92, 773.94 and 328.12

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Solution

The fourth proportional to 560.92, 773.94 and 328.12 is: 452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.92 : 773.94 = 328.12 : x
  2. Step 2: Convert to fraction form
    560.92/773.94 = 328.12/x
  3. Step 3: Cross multiply
    560.92x = 773.94 × 328.12
  4. Step 4: Simplify right side
    560.92x = 253,945.19
  5. Step 5: Solve for x
    x = 253,945.19/560.92
  6. Step 6: Final answer
    x = 452.73

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.