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Finding the Fourth Proportional to 262.93, 394.55 and 248.86

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Solution

The fourth proportional to 262.93, 394.55 and 248.86 is: 373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.93 : 394.55 = 248.86 : x
  2. Step 2: Convert to fraction form
    262.93/394.55 = 248.86/x
  3. Step 3: Cross multiply
    262.93x = 394.55 × 248.86
  4. Step 4: Simplify right side
    262.93x = 98,187.71
  5. Step 5: Solve for x
    x = 98,187.71/262.93
  6. Step 6: Final answer
    x = 373.44

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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.