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Finding the Fourth Proportional to 616.13, 923.37 and 342.35

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Solution

The fourth proportional to 616.13, 923.37 and 342.35 is: 513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.13 : 923.37 = 342.35 : x
  2. Step 2: Convert to fraction form
    616.13/923.37 = 342.35/x
  3. Step 3: Cross multiply
    616.13x = 923.37 × 342.35
  4. Step 4: Simplify right side
    616.13x = 316,111.10
  5. Step 5: Solve for x
    x = 316,111.10/616.13
  6. Step 6: Final answer
    x = 513.06

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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.