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Finding the Fourth Proportional to 335.10, 500.19 and 288.93

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Solution

The fourth proportional to 335.10, 500.19 and 288.93 is: 431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.10 : 500.19 = 288.93 : x
  2. Step 2: Convert to fraction form
    335.10/500.19 = 288.93/x
  3. Step 3: Cross multiply
    335.10x = 500.19 × 288.93
  4. Step 4: Simplify right side
    335.10x = 144,519.90
  5. Step 5: Solve for x
    x = 144,519.90/335.10
  6. Step 6: Final answer
    x = 431.27

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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.