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Finding the Fourth Proportional to 434.88, 600.66 and 316.67

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Solution

The fourth proportional to 434.88, 600.66 and 316.67 is: 437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.88 : 600.66 = 316.67 : x
  2. Step 2: Convert to fraction form
    434.88/600.66 = 316.67/x
  3. Step 3: Cross multiply
    434.88x = 600.66 × 316.67
  4. Step 4: Simplify right side
    434.88x = 190,208.00
  5. Step 5: Solve for x
    x = 190,208.00/434.88
  6. Step 6: Final answer
    x = 437.38

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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.