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Finding the Fourth Proportional to 335.87, 503.93 and 153.41

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Solution

The fourth proportional to 335.87, 503.93 and 153.41 is: 230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.87 : 503.93 = 153.41 : x
  2. Step 2: Convert to fraction form
    335.87/503.93 = 153.41/x
  3. Step 3: Cross multiply
    335.87x = 503.93 × 153.41
  4. Step 4: Simplify right side
    335.87x = 77,307.90
  5. Step 5: Solve for x
    x = 77,307.90/335.87
  6. Step 6: Final answer
    x = 230.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.