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Finding the Fourth Proportional to 524.75, 786.53 and 264.33

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Solution

The fourth proportional to 524.75, 786.53 and 264.33 is: 396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.75 : 786.53 = 264.33 : x
  2. Step 2: Convert to fraction form
    524.75/786.53 = 264.33/x
  3. Step 3: Cross multiply
    524.75x = 786.53 × 264.33
  4. Step 4: Simplify right side
    524.75x = 207,902.15
  5. Step 5: Solve for x
    x = 207,902.15/524.75
  6. Step 6: Final answer
    x = 396.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.