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Finding the Fourth Proportional to 437.00, 603.09 and 240.55

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Solution

The fourth proportional to 437.00, 603.09 and 240.55 is: 331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.00 : 603.09 = 240.55 : x
  2. Step 2: Convert to fraction form
    437.00/603.09 = 240.55/x
  3. Step 3: Cross multiply
    437.00x = 603.09 × 240.55
  4. Step 4: Simplify right side
    437.00x = 145,071.79
  5. Step 5: Solve for x
    x = 145,071.79/437.00
  6. Step 6: Final answer
    x = 331.98

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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.