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Finding the Fourth Proportional to 305.66, 457.87 and 232.65

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Solution

The fourth proportional to 305.66, 457.87 and 232.65 is: 348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    305.66 : 457.87 = 232.65 : x
  2. Step 2: Convert to fraction form
    305.66/457.87 = 232.65/x
  3. Step 3: Cross multiply
    305.66x = 457.87 × 232.65
  4. Step 4: Simplify right side
    305.66x = 106,523.46
  5. Step 5: Solve for x
    x = 106,523.46/305.66
  6. Step 6: Final answer
    x = 348.50

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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.