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Finding the Fourth Proportional to 736.45, 1,103.98 and 249.16

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Solution

The fourth proportional to 736.45, 1,103.98 and 249.16 is: 373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.45 : 1,103.98 = 249.16 : x
  2. Step 2: Convert to fraction form
    736.45/1,103.98 = 249.16/x
  3. Step 3: Cross multiply
    736.45x = 1,103.98 × 249.16
  4. Step 4: Simplify right side
    736.45x = 275,061.51
  5. Step 5: Solve for x
    x = 275,061.51/736.45
  6. Step 6: Final answer
    x = 373.50

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.