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Finding the Fourth Proportional to 400.13, 597.37 and 342.37

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Solution

The fourth proportional to 400.13, 597.37 and 342.37 is: 511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.13 : 597.37 = 342.37 : x
  2. Step 2: Convert to fraction form
    400.13/597.37 = 342.37/x
  3. Step 3: Cross multiply
    400.13x = 597.37 × 342.37
  4. Step 4: Simplify right side
    400.13x = 204,521.57
  5. Step 5: Solve for x
    x = 204,521.57/400.13
  6. Step 6: Final answer
    x = 511.14

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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.