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Finding the Fourth Proportional to 560.54, 773.66 and 327.72

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Solution

The fourth proportional to 560.54, 773.66 and 327.72 is: 452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.54 : 773.66 = 327.72 : x
  2. Step 2: Convert to fraction form
    560.54/773.66 = 327.72/x
  3. Step 3: Cross multiply
    560.54x = 773.66 × 327.72
  4. Step 4: Simplify right side
    560.54x = 253,543.86
  5. Step 5: Solve for x
    x = 253,543.86/560.54
  6. Step 6: Final answer
    x = 452.32

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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.