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Finding the Fourth Proportional to 863.34, 1,190.76 and 598.22

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Solution

The fourth proportional to 863.34, 1,190.76 and 598.22 is: 825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    863.34 : 1,190.76 = 598.22 : x
  2. Step 2: Convert to fraction form
    863.34/1,190.76 = 598.22/x
  3. Step 3: Cross multiply
    863.34x = 1,190.76 × 598.22
  4. Step 4: Simplify right side
    863.34x = 712,336.45
  5. Step 5: Solve for x
    x = 712,336.45/863.34
  6. Step 6: Final answer
    x = 825.09

Related Problems

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Half scale
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Double scale
Find fourth proportional to 864.34, 1,192.14 and 599.22
Similar ratio
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1.5x scale

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.