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Finding the Fourth Proportional to 736.04, 1,104.10 and 324.98

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Solution

The fourth proportional to 736.04, 1,104.10 and 324.98 is: 487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.04 : 1,104.10 = 324.98 : x
  2. Step 2: Convert to fraction form
    736.04/1,104.10 = 324.98/x
  3. Step 3: Cross multiply
    736.04x = 1,104.10 × 324.98
  4. Step 4: Simplify right side
    736.04x = 358,810.42
  5. Step 5: Solve for x
    x = 358,810.42/736.04
  6. Step 6: Final answer
    x = 487.49

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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.