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Finding the Fourth Proportional to 437.50, 603.68 and 251.00

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Solution

The fourth proportional to 437.50, 603.68 and 251.00 is: 346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.50 : 603.68 = 251.00 : x
  2. Step 2: Convert to fraction form
    437.50/603.68 = 251.00/x
  3. Step 3: Cross multiply
    437.50x = 603.68 × 251.00
  4. Step 4: Simplify right side
    437.50x = 151,521.67
  5. Step 5: Solve for x
    x = 151,521.67/437.50
  6. Step 6: Final answer
    x = 346.33

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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.