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Finding the Fourth Proportional to 435.95, 601.62 and 239.48

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Solution

The fourth proportional to 435.95, 601.62 and 239.48 is: 330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.95 : 601.62 = 239.48 : x
  2. Step 2: Convert to fraction form
    435.95/601.62 = 239.48/x
  3. Step 3: Cross multiply
    435.95x = 601.62 × 239.48
  4. Step 4: Simplify right side
    435.95x = 144,072.95
  5. Step 5: Solve for x
    x = 144,072.95/435.95
  6. Step 6: Final answer
    x = 330.48

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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.