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Finding the Fourth Proportional to 602.33, 903.51 and 212.33

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Solution

The fourth proportional to 602.33, 903.51 and 212.33 is: 318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.33 : 903.51 = 212.33 : x
  2. Step 2: Convert to fraction form
    602.33/903.51 = 212.33/x
  3. Step 3: Cross multiply
    602.33x = 903.51 × 212.33
  4. Step 4: Simplify right side
    602.33x = 191,841.22
  5. Step 5: Solve for x
    x = 191,841.22/602.33
  6. Step 6: Final answer
    x = 318.50

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1.5x scale

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.