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Finding the Fourth Proportional to 614.33, 921.53 and 203.51

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Solution

The fourth proportional to 614.33, 921.53 and 203.51 is: 305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.33 : 921.53 = 203.51 : x
  2. Step 2: Convert to fraction form
    614.33/921.53 = 203.51/x
  3. Step 3: Cross multiply
    614.33x = 921.53 × 203.51
  4. Step 4: Simplify right side
    614.33x = 187,534.95
  5. Step 5: Solve for x
    x = 187,534.95/614.33
  6. Step 6: Final answer
    x = 305.27

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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.