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Finding the Fourth Proportional to 608.58, 909.26 and 504.70

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Solution

The fourth proportional to 608.58, 909.26 and 504.70 is: 754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.58 : 909.26 = 504.70 : x
  2. Step 2: Convert to fraction form
    608.58/909.26 = 504.70/x
  3. Step 3: Cross multiply
    608.58x = 909.26 × 504.70
  4. Step 4: Simplify right side
    608.58x = 458,900.62
  5. Step 5: Solve for x
    x = 458,900.62/608.58
  6. Step 6: Final answer
    x = 754.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.