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Finding the Fourth Proportional to 435.19, 600.95 and 317.83

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Solution

The fourth proportional to 435.19, 600.95 and 317.83 is: 438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.19 : 600.95 = 317.83 : x
  2. Step 2: Convert to fraction form
    435.19/600.95 = 317.83/x
  3. Step 3: Cross multiply
    435.19x = 600.95 × 317.83
  4. Step 4: Simplify right side
    435.19x = 190,999.94
  5. Step 5: Solve for x
    x = 190,999.94/435.19
  6. Step 6: Final answer
    x = 438.89

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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.