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Finding the Fourth Proportional to 588.13, 881.47 and 313.81

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Solution

The fourth proportional to 588.13, 881.47 and 313.81 is: 470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.13 : 881.47 = 313.81 : x
  2. Step 2: Convert to fraction form
    588.13/881.47 = 313.81/x
  3. Step 3: Cross multiply
    588.13x = 881.47 × 313.81
  4. Step 4: Simplify right side
    588.13x = 276,614.10
  5. Step 5: Solve for x
    x = 276,614.10/588.13
  6. Step 6: Final answer
    x = 470.33

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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.