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Finding the Fourth Proportional to 736.36, 1,104.54 and 274.12

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Solution

The fourth proportional to 736.36, 1,104.54 and 274.12 is: 411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.36 : 1,104.54 = 274.12 : x
  2. Step 2: Convert to fraction form
    736.36/1,104.54 = 274.12/x
  3. Step 3: Cross multiply
    736.36x = 1,104.54 × 274.12
  4. Step 4: Simplify right side
    736.36x = 302,776.50
  5. Step 5: Solve for x
    x = 302,776.50/736.36
  6. Step 6: Final answer
    x = 411.18

Related Problems

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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.