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Finding the Fourth Proportional to 610.20, 914.67 and 379.26

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Solution

The fourth proportional to 610.20, 914.67 and 379.26 is: 568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.20 : 914.67 = 379.26 : x
  2. Step 2: Convert to fraction form
    610.20/914.67 = 379.26/x
  3. Step 3: Cross multiply
    610.20x = 914.67 × 379.26
  4. Step 4: Simplify right side
    610.20x = 346,897.74
  5. Step 5: Solve for x
    x = 346,897.74/610.20
  6. Step 6: Final answer
    x = 568.50

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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.