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Finding the Fourth Proportional to 315.49, 473.25 and 233.32

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Solution

The fourth proportional to 315.49, 473.25 and 233.32 is: 349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    315.49 : 473.25 = 233.32 : x
  2. Step 2: Convert to fraction form
    315.49/473.25 = 233.32/x
  3. Step 3: Cross multiply
    315.49x = 473.25 × 233.32
  4. Step 4: Simplify right side
    315.49x = 110,418.69
  5. Step 5: Solve for x
    x = 110,418.69/315.49
  6. Step 6: Final answer
    x = 349.99

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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.