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Finding the Fourth Proportional to 950.28, 1,424.57 and 373.02

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Solution

The fourth proportional to 950.28, 1,424.57 and 373.02 is: 559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.28 : 1,424.57 = 373.02 : x
  2. Step 2: Convert to fraction form
    950.28/1,424.57 = 373.02/x
  3. Step 3: Cross multiply
    950.28x = 1,424.57 × 373.02
  4. Step 4: Simplify right side
    950.28x = 531,393.10
  5. Step 5: Solve for x
    x = 531,393.10/950.28
  6. Step 6: Final answer
    x = 559.20

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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.