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Finding the Fourth Proportional to 607.26, 908.82 and 448.10

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Solution

The fourth proportional to 607.26, 908.82 and 448.10 is: 670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.26 : 908.82 = 448.10 : x
  2. Step 2: Convert to fraction form
    607.26/908.82 = 448.10/x
  3. Step 3: Cross multiply
    607.26x = 908.82 × 448.10
  4. Step 4: Simplify right side
    607.26x = 407,237.70
  5. Step 5: Solve for x
    x = 407,237.70/607.26
  6. Step 6: Final answer
    x = 670.62

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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.