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Finding the Fourth Proportional to 434.50, 600 and 279.52

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Solution

The fourth proportional to 434.50, 600 and 279.52 is: 385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.50 : 600 = 279.52 : x
  2. Step 2: Convert to fraction form
    434.50/600 = 279.52/x
  3. Step 3: Cross multiply
    434.50x = 600 × 279.52
  4. Step 4: Simplify right side
    434.50x = 167,712
  5. Step 5: Solve for x
    x = 167,712/434.50
  6. Step 6: Final answer
    x = 385.99

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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.