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Finding the Fourth Proportional to 560.39, 773.48 and 383.27

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Solution

The fourth proportional to 560.39, 773.48 and 383.27 is: 529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.39 : 773.48 = 383.27 : x
  2. Step 2: Convert to fraction form
    560.39/773.48 = 383.27/x
  3. Step 3: Cross multiply
    560.39x = 773.48 × 383.27
  4. Step 4: Simplify right side
    560.39x = 296,451.68
  5. Step 5: Solve for x
    x = 296,451.68/560.39
  6. Step 6: Final answer
    x = 529.01

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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.