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Finding the Fourth Proportional to 603.40, 832.66 and 370.53

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Solution

The fourth proportional to 603.40, 832.66 and 370.53 is: 511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.40 : 832.66 = 370.53 : x
  2. Step 2: Convert to fraction form
    603.40/832.66 = 370.53/x
  3. Step 3: Cross multiply
    603.40x = 832.66 × 370.53
  4. Step 4: Simplify right side
    603.40x = 308,525.51
  5. Step 5: Solve for x
    x = 308,525.51/603.40
  6. Step 6: Final answer
    x = 511.31

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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.