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Finding the Fourth Proportional to 383.93, 530.14 and 244.29

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Solution

The fourth proportional to 383.93, 530.14 and 244.29 is: 337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.93 : 530.14 = 244.29 : x
  2. Step 2: Convert to fraction form
    383.93/530.14 = 244.29/x
  3. Step 3: Cross multiply
    383.93x = 530.14 × 244.29
  4. Step 4: Simplify right side
    383.93x = 129,507.90
  5. Step 5: Solve for x
    x = 129,507.90/383.93
  6. Step 6: Final answer
    x = 337.33

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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.