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Finding the Fourth Proportional to 436.98, 603.08 and 262.37

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Solution

The fourth proportional to 436.98, 603.08 and 262.37 is: 362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.98 : 603.08 = 262.37 : x
  2. Step 2: Convert to fraction form
    436.98/603.08 = 262.37/x
  3. Step 3: Cross multiply
    436.98x = 603.08 × 262.37
  4. Step 4: Simplify right side
    436.98x = 158,225.77
  5. Step 5: Solve for x
    x = 158,225.77/436.98
  6. Step 6: Final answer
    x = 362.09

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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.