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Finding the Fourth Proportional to 561.69, 775.48 and 362.62

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Solution

The fourth proportional to 561.69, 775.48 and 362.62 is: 500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    561.69 : 775.48 = 362.62 : x
  2. Step 2: Convert to fraction form
    561.69/775.48 = 362.62/x
  3. Step 3: Cross multiply
    561.69x = 775.48 × 362.62
  4. Step 4: Simplify right side
    561.69x = 281,204.56
  5. Step 5: Solve for x
    x = 281,204.56/561.69
  6. Step 6: Final answer
    x = 500.64

Related Problems

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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.