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Finding the Fourth Proportional to 239.74, 358.86 and 184.76

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Solution

The fourth proportional to 239.74, 358.86 and 184.76 is: 276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.74 : 358.86 = 184.76 : x
  2. Step 2: Convert to fraction form
    239.74/358.86 = 184.76/x
  3. Step 3: Cross multiply
    239.74x = 358.86 × 184.76
  4. Step 4: Simplify right side
    239.74x = 66,302.32
  5. Step 5: Solve for x
    x = 66,302.32/239.74
  6. Step 6: Final answer
    x = 276.56

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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.