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Finding the Fourth Proportional to 893.95, 1,233.68 and 500.99

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Solution

The fourth proportional to 893.95, 1,233.68 and 500.99 is: 691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    893.95 : 1,233.68 = 500.99 : x
  2. Step 2: Convert to fraction form
    893.95/1,233.68 = 500.99/x
  3. Step 3: Cross multiply
    893.95x = 1,233.68 × 500.99
  4. Step 4: Simplify right side
    893.95x = 618,052.67
  5. Step 5: Solve for x
    x = 618,052.67/893.95
  6. Step 6: Final answer
    x = 691.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.