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Finding the Fourth Proportional to 384.00, 530.11 and 244.26

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Solution

The fourth proportional to 384.00, 530.11 and 244.26 is: 337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.00 : 530.11 = 244.26 : x
  2. Step 2: Convert to fraction form
    384.00/530.11 = 244.26/x
  3. Step 3: Cross multiply
    384.00x = 530.11 × 244.26
  4. Step 4: Simplify right side
    384.00x = 129,484.97
  5. Step 5: Solve for x
    x = 129,484.97/384.00
  6. Step 6: Final answer
    x = 337.20

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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.