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Finding the Fourth Proportional to 743.04, 1,114.61 and 222.99

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Solution

The fourth proportional to 743.04, 1,114.61 and 222.99 is: 334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    743.04 : 1,114.61 = 222.99 : x
  2. Step 2: Convert to fraction form
    743.04/1,114.61 = 222.99/x
  3. Step 3: Cross multiply
    743.04x = 1,114.61 × 222.99
  4. Step 4: Simplify right side
    743.04x = 248,546.88
  5. Step 5: Solve for x
    x = 248,546.88/743.04
  6. Step 6: Final answer
    x = 334.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 744.04, 1,116.11 and 223.99
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.