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Finding the Fourth Proportional to 333.99, 501.75 and 315.54

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Solution

The fourth proportional to 333.99, 501.75 and 315.54 is: 474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.99 : 501.75 = 315.54 : x
  2. Step 2: Convert to fraction form
    333.99/501.75 = 315.54/x
  3. Step 3: Cross multiply
    333.99x = 501.75 × 315.54
  4. Step 4: Simplify right side
    333.99x = 158,322.20
  5. Step 5: Solve for x
    x = 158,322.20/333.99
  6. Step 6: Final answer
    x = 474.03

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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.