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Finding the Fourth Proportional to 626.24, 939.36 and 464.24

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Solution

The fourth proportional to 626.24, 939.36 and 464.24 is: 696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.24 : 939.36 = 464.24 : x
  2. Step 2: Convert to fraction form
    626.24/939.36 = 464.24/x
  3. Step 3: Cross multiply
    626.24x = 939.36 × 464.24
  4. Step 4: Simplify right side
    626.24x = 436,088.49
  5. Step 5: Solve for x
    x = 436,088.49/626.24
  6. Step 6: Final answer
    x = 696.36

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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.