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Finding the Fourth Proportional to 436.01, 601.70 and 239.53

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Solution

The fourth proportional to 436.01, 601.70 and 239.53 is: 330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.01 : 601.70 = 239.53 : x
  2. Step 2: Convert to fraction form
    436.01/601.70 = 239.53/x
  3. Step 3: Cross multiply
    436.01x = 601.70 × 239.53
  4. Step 4: Simplify right side
    436.01x = 144,127.34
  5. Step 5: Solve for x
    x = 144,127.34/436.01
  6. Step 6: Final answer
    x = 330.56

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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.