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Finding the Fourth Proportional to 436.84, 603.08 and 304.27

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Solution

The fourth proportional to 436.84, 603.08 and 304.27 is: 420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.84 : 603.08 = 304.27 : x
  2. Step 2: Convert to fraction form
    436.84/603.08 = 304.27/x
  3. Step 3: Cross multiply
    436.84x = 603.08 × 304.27
  4. Step 4: Simplify right side
    436.84x = 183,497.26
  5. Step 5: Solve for x
    x = 183,497.26/436.84
  6. Step 6: Final answer
    x = 420.06

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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.