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Finding the Fourth Proportional to 335.35, 500.53 and 288.87

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Solution

The fourth proportional to 335.35, 500.53 and 288.87 is: 431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.35 : 500.53 = 288.87 : x
  2. Step 2: Convert to fraction form
    335.35/500.53 = 288.87/x
  3. Step 3: Cross multiply
    335.35x = 500.53 × 288.87
  4. Step 4: Simplify right side
    335.35x = 144,588.10
  5. Step 5: Solve for x
    x = 144,588.10/335.35
  6. Step 6: Final answer
    x = 431.16

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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.