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Finding the Fourth Proportional to 610.26, 909.25 and 604.20

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Solution

The fourth proportional to 610.26, 909.25 and 604.20 is: 900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.26 : 909.25 = 604.20 : x
  2. Step 2: Convert to fraction form
    610.26/909.25 = 604.20/x
  3. Step 3: Cross multiply
    610.26x = 909.25 × 604.20
  4. Step 4: Simplify right side
    610.26x = 549,368.85
  5. Step 5: Solve for x
    x = 549,368.85/610.26
  6. Step 6: Final answer
    x = 900.22

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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.