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Finding the Fourth Proportional to 899.63, 1,349.45 and 250.37

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Solution

The fourth proportional to 899.63, 1,349.45 and 250.37 is: 375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    899.63 : 1,349.45 = 250.37 : x
  2. Step 2: Convert to fraction form
    899.63/1,349.45 = 250.37/x
  3. Step 3: Cross multiply
    899.63x = 1,349.45 × 250.37
  4. Step 4: Simplify right side
    899.63x = 337,854.74
  5. Step 5: Solve for x
    x = 337,854.74/899.63
  6. Step 6: Final answer
    x = 375.55

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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.