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Finding the Fourth Proportional to 588.37, 810.10 and 499.68

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Solution

The fourth proportional to 588.37, 810.10 and 499.68 is: 687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.37 : 810.10 = 499.68 : x
  2. Step 2: Convert to fraction form
    588.37/810.10 = 499.68/x
  3. Step 3: Cross multiply
    588.37x = 810.10 × 499.68
  4. Step 4: Simplify right side
    588.37x = 404,784.22
  5. Step 5: Solve for x
    x = 404,784.22/588.37
  6. Step 6: Final answer
    x = 687.98

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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.