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Finding the Fourth Proportional to 606.40, 905.84 and 603.52

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Solution

The fourth proportional to 606.40, 905.84 and 603.52 is: 901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.40 : 905.84 = 603.52 : x
  2. Step 2: Convert to fraction form
    606.40/905.84 = 603.52/x
  3. Step 3: Cross multiply
    606.40x = 905.84 × 603.52
  4. Step 4: Simplify right side
    606.40x = 546,692.56
  5. Step 5: Solve for x
    x = 546,692.56/606.40
  6. Step 6: Final answer
    x = 901.54

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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.