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Finding the Fourth Proportional to 612.01, 844.48 and 375.89

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Solution

The fourth proportional to 612.01, 844.48 and 375.89 is: 518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.01 : 844.48 = 375.89 : x
  2. Step 2: Convert to fraction form
    612.01/844.48 = 375.89/x
  3. Step 3: Cross multiply
    612.01x = 844.48 × 375.89
  4. Step 4: Simplify right side
    612.01x = 317,427.95
  5. Step 5: Solve for x
    x = 317,427.95/612.01
  6. Step 6: Final answer
    x = 518.66

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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.