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Finding the Fourth Proportional to 607.23, 837.93 and 358.65

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Solution

The fourth proportional to 607.23, 837.93 and 358.65 is: 494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.23 : 837.93 = 358.65 : x
  2. Step 2: Convert to fraction form
    607.23/837.93 = 358.65/x
  3. Step 3: Cross multiply
    607.23x = 837.93 × 358.65
  4. Step 4: Simplify right side
    607.23x = 300,523.59
  5. Step 5: Solve for x
    x = 300,523.59/607.23
  6. Step 6: Final answer
    x = 494.91

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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.