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Finding the Fourth Proportional to 262.50, 360.72 and 250.45

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Solution

The fourth proportional to 262.50, 360.72 and 250.45 is: 344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.50 : 360.72 = 250.45 : x
  2. Step 2: Convert to fraction form
    262.50/360.72 = 250.45/x
  3. Step 3: Cross multiply
    262.50x = 360.72 × 250.45
  4. Step 4: Simplify right side
    262.50x = 90,342.32
  5. Step 5: Solve for x
    x = 90,342.32/262.50
  6. Step 6: Final answer
    x = 344.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.