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Finding the Fourth Proportional to 607.32, 837.98 and 358.56

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Solution

The fourth proportional to 607.32, 837.98 and 358.56 is: 494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.32 : 837.98 = 358.56 : x
  2. Step 2: Convert to fraction form
    607.32/837.98 = 358.56/x
  3. Step 3: Cross multiply
    607.32x = 837.98 × 358.56
  4. Step 4: Simplify right side
    607.32x = 300,466.11
  5. Step 5: Solve for x
    x = 300,466.11/607.32
  6. Step 6: Final answer
    x = 494.74

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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.