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Finding the Fourth Proportional to 560.36, 773.46 and 374.12

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Solution

The fourth proportional to 560.36, 773.46 and 374.12 is: 516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.36 : 773.46 = 374.12 : x
  2. Step 2: Convert to fraction form
    560.36/773.46 = 374.12/x
  3. Step 3: Cross multiply
    560.36x = 773.46 × 374.12
  4. Step 4: Simplify right side
    560.36x = 289,366.86
  5. Step 5: Solve for x
    x = 289,366.86/560.36
  6. Step 6: Final answer
    x = 516.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 561.36, 774.84 and 375.12
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.