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Finding the Fourth Proportional to 532.99, 799.49 and 259.62

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Solution

The fourth proportional to 532.99, 799.49 and 259.62 is: 389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.99 : 799.49 = 259.62 : x
  2. Step 2: Convert to fraction form
    532.99/799.49 = 259.62/x
  3. Step 3: Cross multiply
    532.99x = 799.49 × 259.62
  4. Step 4: Simplify right side
    532.99x = 207,563.59
  5. Step 5: Solve for x
    x = 207,563.59/532.99
  6. Step 6: Final answer
    x = 389.43

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.