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Finding the Fourth Proportional to 614.82, 918.64 and 593.29

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Solution

The fourth proportional to 614.82, 918.64 and 593.29 is: 886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.82 : 918.64 = 593.29 : x
  2. Step 2: Convert to fraction form
    614.82/918.64 = 593.29/x
  3. Step 3: Cross multiply
    614.82x = 918.64 × 593.29
  4. Step 4: Simplify right side
    614.82x = 545,016.96
  5. Step 5: Solve for x
    x = 545,016.96/614.82
  6. Step 6: Final answer
    x = 886.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.