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Finding the Fourth Proportional to 560.10, 773.19 and 402.96

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Solution

The fourth proportional to 560.10, 773.19 and 402.96 is: 556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.10 : 773.19 = 402.96 : x
  2. Step 2: Convert to fraction form
    560.10/773.19 = 402.96/x
  3. Step 3: Cross multiply
    560.10x = 773.19 × 402.96
  4. Step 4: Simplify right side
    560.10x = 311,564.64
  5. Step 5: Solve for x
    x = 311,564.64/560.10
  6. Step 6: Final answer
    x = 556.27

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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.