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Finding the Fourth Proportional to 532.70, 798.77 and 167.39

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Solution

The fourth proportional to 532.70, 798.77 and 167.39 is: 251.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.70 : 798.77 = 167.39 : x
  2. Step 2: Convert to fraction form
    532.70/798.77 = 167.39/x
  3. Step 3: Cross multiply
    532.70x = 798.77 × 167.39
  4. Step 4: Simplify right side
    532.70x = 133,706.11
  5. Step 5: Solve for x
    x = 133,706.11/532.70
  6. Step 6: Final answer
    x = 251.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.