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Finding the Fourth Proportional to 603.55, 832.39 and 533.67

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Solution

The fourth proportional to 603.55, 832.39 and 533.67 is: 736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.55 : 832.39 = 533.67 : x
  2. Step 2: Convert to fraction form
    603.55/832.39 = 533.67/x
  3. Step 3: Cross multiply
    603.55x = 832.39 × 533.67
  4. Step 4: Simplify right side
    603.55x = 444,221.57
  5. Step 5: Solve for x
    x = 444,221.57/603.55
  6. Step 6: Final answer
    x = 736.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.