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Finding the Fourth Proportional to 436.55, 601.29 and 349.07

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Solution

The fourth proportional to 436.55, 601.29 and 349.07 is: 480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.55 : 601.29 = 349.07 : x
  2. Step 2: Convert to fraction form
    436.55/601.29 = 349.07/x
  3. Step 3: Cross multiply
    436.55x = 601.29 × 349.07
  4. Step 4: Simplify right side
    436.55x = 209,889.29
  5. Step 5: Solve for x
    x = 209,889.29/436.55
  6. Step 6: Final answer
    x = 480.80

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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.