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Finding the Fourth Proportional to 532.50, 798.13 and 239.68

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Solution

The fourth proportional to 532.50, 798.13 and 239.68 is: 359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.50 : 798.13 = 239.68 : x
  2. Step 2: Convert to fraction form
    532.50/798.13 = 239.68/x
  3. Step 3: Cross multiply
    532.50x = 798.13 × 239.68
  4. Step 4: Simplify right side
    532.50x = 191,297.10
  5. Step 5: Solve for x
    x = 191,297.10/532.50
  6. Step 6: Final answer
    x = 359.25

Related Problems

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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.