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Finding the Fourth Proportional to 437.13, 603.68 and 370.13

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Solution

The fourth proportional to 437.13, 603.68 and 370.13 is: 511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.13 : 603.68 = 370.13 : x
  2. Step 2: Convert to fraction form
    437.13/603.68 = 370.13/x
  3. Step 3: Cross multiply
    437.13x = 603.68 × 370.13
  4. Step 4: Simplify right side
    437.13x = 223,435.21
  5. Step 5: Solve for x
    x = 223,435.21/437.13
  6. Step 6: Final answer
    x = 511.14

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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.