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Finding the Fourth Proportional to 559.04, 835.12 and 403.64

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Solution

The fourth proportional to 559.04, 835.12 and 403.64 is: 602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.04 : 835.12 = 403.64 : x
  2. Step 2: Convert to fraction form
    559.04/835.12 = 403.64/x
  3. Step 3: Cross multiply
    559.04x = 835.12 × 403.64
  4. Step 4: Simplify right side
    559.04x = 337,087.84
  5. Step 5: Solve for x
    x = 337,087.84/559.04
  6. Step 6: Final answer
    x = 602.98

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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.