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Finding the Fourth Proportional to 525.17, 786.74 and 250.71

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Solution

The fourth proportional to 525.17, 786.74 and 250.71 is: 375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.17 : 786.74 = 250.71 : x
  2. Step 2: Convert to fraction form
    525.17/786.74 = 250.71/x
  3. Step 3: Cross multiply
    525.17x = 786.74 × 250.71
  4. Step 4: Simplify right side
    525.17x = 197,242.33
  5. Step 5: Solve for x
    x = 197,242.33/525.17
  6. Step 6: Final answer
    x = 375.58

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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.