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Finding the Fourth Proportional to 561.53, 775.26 and 362.53

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Solution

The fourth proportional to 561.53, 775.26 and 362.53 is: 500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    561.53 : 775.26 = 362.53 : x
  2. Step 2: Convert to fraction form
    561.53/775.26 = 362.53/x
  3. Step 3: Cross multiply
    561.53x = 775.26 × 362.53
  4. Step 4: Simplify right side
    561.53x = 281,053.20
  5. Step 5: Solve for x
    x = 281,053.20/561.53
  6. Step 6: Final answer
    x = 500.52

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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.