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Finding the Fourth Proportional to 560.66, 773.19 and 374.36

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Solution

The fourth proportional to 560.66, 773.19 and 374.36 is: 516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.66 : 773.19 = 374.36 : x
  2. Step 2: Convert to fraction form
    560.66/773.19 = 374.36/x
  3. Step 3: Cross multiply
    560.66x = 773.19 × 374.36
  4. Step 4: Simplify right side
    560.66x = 289,447.54
  5. Step 5: Solve for x
    x = 289,447.54/560.66
  6. Step 6: Final answer
    x = 516.27

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Double scale
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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.