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Finding the Fourth Proportional to 524.24, 786.81 and 250.40

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Solution

The fourth proportional to 524.24, 786.81 and 250.40 is: 375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.24 : 786.81 = 250.40 : x
  2. Step 2: Convert to fraction form
    524.24/786.81 = 250.40/x
  3. Step 3: Cross multiply
    524.24x = 786.81 × 250.40
  4. Step 4: Simplify right side
    524.24x = 197,017.22
  5. Step 5: Solve for x
    x = 197,017.22/524.24
  6. Step 6: Final answer
    x = 375.81

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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.