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Finding the Fourth Proportional to 612.28, 844.06 and 437.32

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Solution

The fourth proportional to 612.28, 844.06 and 437.32 is: 602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.28 : 844.06 = 437.32 : x
  2. Step 2: Convert to fraction form
    612.28/844.06 = 437.32/x
  3. Step 3: Cross multiply
    612.28x = 844.06 × 437.32
  4. Step 4: Simplify right side
    612.28x = 369,120.10
  5. Step 5: Solve for x
    x = 369,120.10/612.28
  6. Step 6: Final answer
    x = 602.87

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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.