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Finding the Fourth Proportional to 602.48, 831.36 and 336.96

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Solution

The fourth proportional to 602.48, 831.36 and 336.96 is: 464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.48 : 831.36 = 336.96 : x
  2. Step 2: Convert to fraction form
    602.48/831.36 = 336.96/x
  3. Step 3: Cross multiply
    602.48x = 831.36 × 336.96
  4. Step 4: Simplify right side
    602.48x = 280,135.07
  5. Step 5: Solve for x
    x = 280,135.07/602.48
  6. Step 6: Final answer
    x = 464.97

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1.5x scale

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.