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Finding the Fourth Proportional to 603.64, 833.05 and 367.55

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Solution

The fourth proportional to 603.64, 833.05 and 367.55 is: 507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.64 : 833.05 = 367.55 : x
  2. Step 2: Convert to fraction form
    603.64/833.05 = 367.55/x
  3. Step 3: Cross multiply
    603.64x = 833.05 × 367.55
  4. Step 4: Simplify right side
    603.64x = 306,186.95
  5. Step 5: Solve for x
    x = 306,186.95/603.64
  6. Step 6: Final answer
    x = 507.24

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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.