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Finding the Fourth Proportional to 414.53, 621.52 and 232.01

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Solution

The fourth proportional to 414.53, 621.52 and 232.01 is: 347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.53 : 621.52 = 232.01 : x
  2. Step 2: Convert to fraction form
    414.53/621.52 = 232.01/x
  3. Step 3: Cross multiply
    414.53x = 621.52 × 232.01
  4. Step 4: Simplify right side
    414.53x = 144,197.50
  5. Step 5: Solve for x
    x = 144,197.50/414.53
  6. Step 6: Final answer
    x = 347.86

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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.