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Finding the Fourth Proportional to 614.66, 848.31 and 352.69

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Solution

The fourth proportional to 614.66, 848.31 and 352.69 is: 486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.66 : 848.31 = 352.69 : x
  2. Step 2: Convert to fraction form
    614.66/848.31 = 352.69/x
  3. Step 3: Cross multiply
    614.66x = 848.31 × 352.69
  4. Step 4: Simplify right side
    614.66x = 299,187.01
  5. Step 5: Solve for x
    x = 299,187.01/614.66
  6. Step 6: Final answer
    x = 486.76

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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.