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Finding the Fourth Proportional to 335.04, 500.12 and 291.64

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Solution

The fourth proportional to 335.04, 500.12 and 291.64 is: 435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.04 : 500.12 = 291.64 : x
  2. Step 2: Convert to fraction form
    335.04/500.12 = 291.64/x
  3. Step 3: Cross multiply
    335.04x = 500.12 × 291.64
  4. Step 4: Simplify right side
    335.04x = 145,855.00
  5. Step 5: Solve for x
    x = 145,855.00/335.04
  6. Step 6: Final answer
    x = 435.34

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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.