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Finding the Fourth Proportional to 608.43, 912.84 and 499.93

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Solution

The fourth proportional to 608.43, 912.84 and 499.93 is: 750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.43 : 912.84 = 499.93 : x
  2. Step 2: Convert to fraction form
    608.43/912.84 = 499.93/x
  3. Step 3: Cross multiply
    608.43x = 912.84 × 499.93
  4. Step 4: Simplify right side
    608.43x = 456,356.10
  5. Step 5: Solve for x
    x = 456,356.10/608.43
  6. Step 6: Final answer
    x = 750.06

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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.