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Finding the Fourth Proportional to 501.15, 751.75 and 336.49

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Solution

The fourth proportional to 501.15, 751.75 and 336.49 is: 504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.15 : 751.75 = 336.49 : x
  2. Step 2: Convert to fraction form
    501.15/751.75 = 336.49/x
  3. Step 3: Cross multiply
    501.15x = 751.75 × 336.49
  4. Step 4: Simplify right side
    501.15x = 252,953.64
  5. Step 5: Solve for x
    x = 252,953.64/501.15
  6. Step 6: Final answer
    x = 504.74

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Double scale
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Similar ratio
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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.