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Finding the Fourth Proportional to 503.38, 755.91 and 465.49

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Solution

The fourth proportional to 503.38, 755.91 and 465.49 is: 699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.38 : 755.91 = 465.49 : x
  2. Step 2: Convert to fraction form
    503.38/755.91 = 465.49/x
  3. Step 3: Cross multiply
    503.38x = 755.91 × 465.49
  4. Step 4: Simplify right side
    503.38x = 351,866.22
  5. Step 5: Solve for x
    x = 351,866.22/503.38
  6. Step 6: Final answer
    x = 699.01

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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.