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Finding the Fourth Proportional to 608.01, 910.13 and 434.13

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Solution

The fourth proportional to 608.01, 910.13 and 434.13 is: 649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.01 : 910.13 = 434.13 : x
  2. Step 2: Convert to fraction form
    608.01/910.13 = 434.13/x
  3. Step 3: Cross multiply
    608.01x = 910.13 × 434.13
  4. Step 4: Simplify right side
    608.01x = 395,112.57
  5. Step 5: Solve for x
    x = 395,112.57/608.01
  6. Step 6: Final answer
    x = 649.85

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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.