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Finding the Fourth Proportional to 603.17, 832.39 and 370.30

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Solution

The fourth proportional to 603.17, 832.39 and 370.30 is: 511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.17 : 832.39 = 370.30 : x
  2. Step 2: Convert to fraction form
    603.17/832.39 = 370.30/x
  3. Step 3: Cross multiply
    603.17x = 832.39 × 370.30
  4. Step 4: Simplify right side
    603.17x = 308,231.36
  5. Step 5: Solve for x
    x = 308,231.36/603.17
  6. Step 6: Final answer
    x = 511.02

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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.