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Finding the Fourth Proportional to 437.27, 603.75 and 383.96

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Solution

The fourth proportional to 437.27, 603.75 and 383.96 is: 530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.27 : 603.75 = 383.96 : x
  2. Step 2: Convert to fraction form
    437.27/603.75 = 383.96/x
  3. Step 3: Cross multiply
    437.27x = 603.75 × 383.96
  4. Step 4: Simplify right side
    437.27x = 231,818.80
  5. Step 5: Solve for x
    x = 231,818.80/437.27
  6. Step 6: Final answer
    x = 530.16

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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.