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Finding the Fourth Proportional to 439.23, 607.35 and 370.14

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Solution

The fourth proportional to 439.23, 607.35 and 370.14 is: 511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.23 : 607.35 = 370.14 : x
  2. Step 2: Convert to fraction form
    439.23/607.35 = 370.14/x
  3. Step 3: Cross multiply
    439.23x = 607.35 × 370.14
  4. Step 4: Simplify right side
    439.23x = 224,804.53
  5. Step 5: Solve for x
    x = 224,804.53/439.23
  6. Step 6: Final answer
    x = 511.82

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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.