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Finding the Fourth Proportional to 435.44, 600.48 and 317.22

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Solution

The fourth proportional to 435.44, 600.48 and 317.22 is: 437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.44 : 600.48 = 317.22 : x
  2. Step 2: Convert to fraction form
    435.44/600.48 = 317.22/x
  3. Step 3: Cross multiply
    435.44x = 600.48 × 317.22
  4. Step 4: Simplify right side
    435.44x = 190,482.01
  5. Step 5: Solve for x
    x = 190,482.01/435.44
  6. Step 6: Final answer
    x = 437.44

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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.