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Finding the Fourth Proportional to 357.01, 531.71 and 336.07

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Solution

The fourth proportional to 357.01, 531.71 and 336.07 is: 500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.01 : 531.71 = 336.07 : x
  2. Step 2: Convert to fraction form
    357.01/531.71 = 336.07/x
  3. Step 3: Cross multiply
    357.01x = 531.71 × 336.07
  4. Step 4: Simplify right side
    357.01x = 178,691.78
  5. Step 5: Solve for x
    x = 178,691.78/357.01
  6. Step 6: Final answer
    x = 500.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.