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Finding the Fourth Proportional to 434.85, 600.09 and 238.35

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Solution

The fourth proportional to 434.85, 600.09 and 238.35 is: 328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.85 : 600.09 = 238.35 : x
  2. Step 2: Convert to fraction form
    434.85/600.09 = 238.35/x
  3. Step 3: Cross multiply
    434.85x = 600.09 × 238.35
  4. Step 4: Simplify right side
    434.85x = 143,031.45
  5. Step 5: Solve for x
    x = 143,031.45/434.85
  6. Step 6: Final answer
    x = 328.92

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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.