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Finding the Fourth Proportional to 293.86, 405.70 and 183.48

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Solution

The fourth proportional to 293.86, 405.70 and 183.48 is: 253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.86 : 405.70 = 183.48 : x
  2. Step 2: Convert to fraction form
    293.86/405.70 = 183.48/x
  3. Step 3: Cross multiply
    293.86x = 405.70 × 183.48
  4. Step 4: Simplify right side
    293.86x = 74,437.84
  5. Step 5: Solve for x
    x = 74,437.84/293.86
  6. Step 6: Final answer
    x = 253.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.