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Finding the Fourth Proportional to 581.04, 871.62 and 196.32

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Solution

The fourth proportional to 581.04, 871.62 and 196.32 is: 294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.04 : 871.62 = 196.32 : x
  2. Step 2: Convert to fraction form
    581.04/871.62 = 196.32/x
  3. Step 3: Cross multiply
    581.04x = 871.62 × 196.32
  4. Step 4: Simplify right side
    581.04x = 171,116.44
  5. Step 5: Solve for x
    x = 171,116.44/581.04
  6. Step 6: Final answer
    x = 294.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 582.04, 873.12 and 197.32
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.