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Finding the Fourth Proportional to 434.73, 599.93 and 238.24

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Solution

The fourth proportional to 434.73, 599.93 and 238.24 is: 328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.73 : 599.93 = 238.24 : x
  2. Step 2: Convert to fraction form
    434.73/599.93 = 238.24/x
  3. Step 3: Cross multiply
    434.73x = 599.93 × 238.24
  4. Step 4: Simplify right side
    434.73x = 142,923.13
  5. Step 5: Solve for x
    x = 142,923.13/434.73
  6. Step 6: Final answer
    x = 328.76

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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.