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Finding the Fourth Proportional to 743.94, 1,116.13 and 250.29

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Solution

The fourth proportional to 743.94, 1,116.13 and 250.29 is: 375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    743.94 : 1,116.13 = 250.29 : x
  2. Step 2: Convert to fraction form
    743.94/1,116.13 = 250.29/x
  3. Step 3: Cross multiply
    743.94x = 1,116.13 × 250.29
  4. Step 4: Simplify right side
    743.94x = 279,349.35
  5. Step 5: Solve for x
    x = 279,349.35/743.94
  6. Step 6: Final answer
    x = 375.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 744.94, 1,117.63 and 251.29
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.