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Finding the Fourth Proportional to 331.02, 494.08 and 292.10

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Solution

The fourth proportional to 331.02, 494.08 and 292.10 is: 435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.02 : 494.08 = 292.10 : x
  2. Step 2: Convert to fraction form
    331.02/494.08 = 292.10/x
  3. Step 3: Cross multiply
    331.02x = 494.08 × 292.10
  4. Step 4: Simplify right side
    331.02x = 144,322.00
  5. Step 5: Solve for x
    x = 144,322.00/331.02
  6. Step 6: Final answer
    x = 435.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.